ZINZ
Two slim ZINZ packs carried on a coast trail

Slim carry built around your machine

We stitch slim laptop bags with an expansion gusset and replacement shoulder straps with fixed padding. Every bag listing marks the exact screen sizes our padded pocket takes, so you know the machine fits before you check anything else.

Check a fitOpen the packs

Padded laptop pockets

We shape foam chambers around standard machine widths. Each listing specifies the screen size it takes, so your computer rests inside without sliding around on the move.

Expansion on demand

One perimeter zip releases an extra gusset of fabric. You get a flat sleeve for daily work, then open the fold when an overnight shirt needs room.

Protected daily transit

Coated polyester sheds light rain. We position key zipper tracks against your body, resting the openings flat to your spine while you walk through crowded stations.

Individual replacement parts

A broken swivel snap should not scrap a good bag. We make modular straps, sliding cushions and luggage belts to keep your existing carry working longer.

What are you carrying today

Jump straight at the part of the workshop you came for.

Laptop backpacksSleeve casesReplacement strapsLuggage belts and pouchesMatch my screen sizeNotes from the benchWhat the expansion zip addsMeasuring a strap

Five parts of the workshop

These tiles divide our workshop output across five groups. Two cover the bags we make, and three hold the straps, pads, and travel gear that clip onto them.

Laptop Backpacks

Laptop Backpacks

55 pieces
Laptop Sleeves & Cases

Laptop Sleeves & Cases

52 pieces
Shoulder Straps

Shoulder Straps

236 pieces
Shoulder Pads & Cushions

Shoulder Pads & Cushions

94 pieces
Luggage & Travel Accessories

Luggage & Travel Accessories

31 pieces

The pieces with the longest record

The items below have logged the most miles with our buyers. We watch their wear patterns to decide what to reinforce on the next production run.

Packs that open when a trip asks

Our backpacks carry a padded sleeve for your computer, an expansion zip for travel days, and a luggage pass-through strap.

Start from the measurement

Use this filter to sort our bags by your screen diagonal or match a replacement shoulder strap to your measured length.

Fresh off the cutting table

Here are four recent designs from our workbench. We adjusted the pocket layouts and tried new hardware on each one.

468pieces on the shelf right now
107of them print a screen size in inches
93carry an expansion zip around the perimeter
33,779ratings sit behind the listings we draw from

What we keep fixed across the range

Clear tape measurements

We pull a physical ruler across every strap, gusset, and internal divider before writing a single word. Our workshop lists end-to-end lengths and internal chamber clearances rather than generic diagonal fits, helping you choose the right match for your gear.

Heavy bar tacks

Weight focuses where webbing joins fabric. We run dense box stitches across anchor patches and use metal carabiners that hold under daily strain. When you pack heavy chargers or water flasks, the seams carry that load without fraying.

Low visual noise

Bright trim draws the wrong eyes in an airport queue. We cut external faces from matte fabric and keep zipper tracks hidden under close flaps. The outside stays quiet while your laptop, cards, and cables stay arranged out of view.

Three moves before you choose

Use these three steps to narrow the catalogue down to the right size and shape. The breakdown beside them shows how our carry divides across screen dimensions.

  1. Measure the outside width and thickness of your machine with a tape instead of relying on the screen size printed on the box.
  2. Decide if you want a pack that stays flat all day or one with an expansion gusset that unzips for extra gear.
  3. Check how you commute, looking for a luggage pass-through sleeve on the back or a shoulder strap built to the length you carry.
Screen sizes we print, and how many pieces name each
Screen sizePieces
12.9 inches14
13 inches32
13.5 inches3
14 inches12
15 inches49
15.4 inches11
15.6 inches57
16 inches53
17 inches12
17.3 inches4

One off the bench

Here is one bag taken apart in detail. We show the pocket layout, the padding thickness, and how the expansion gusset works when fully open.

Slim & Expandable Laptop Backpack 13-14 inch, B01BL01

Slim & Expandable Laptop Backpack 13-14 inch, B01BL01

We built this compact daypack around a velvet-lined pocket sized for 13, 13.5, and 14 inch screens. The main body stays slim on crowded trains, then unzips to more than three times its flat depth when you pack a charger brick and an extra layer. Recycled shell fabric beads off morning drizzle.

$29.99★★★★★ 4.6 from 5,656 ratings
Read the full page

Habits that keep a coating working

Fabric and zips last longer when handled with care. These two lists cover simple cleaning habits that protect the coating and a few common mistakes that ruin seams.

Worth doing

  • Wipe a wet panel down with a dry cloth before the bag goes back in a cupboard.
  • Empty the bottle pocket after a commute. A slow leak sits under the coating for days.
  • Run zip lubricant or a candle stub along a stiff track twice a year.
  • Pack the heavy things against the back panel so the shoulder seams pull straight.

What grinds it off

  • A washing machine lifts the coating off the weave. Sponge the panel instead.
  • Radiators age a coated shell faster than rain ever will. Dry it in open air.
  • Forcing an expansion zip shut over a full load is how a track loses teeth.
  • Weeks folded flat under a suitcase leave a hard crease, and a crease cracks.

Why we build slim carry in parts

Most bags waste space on empty air. We design our packs thin for daily commutes and add an expansion gusset for travel days when you carry extra layers. We also stitch separate straps and pads so you can fix a worn part without replacing the whole bag.

How we build our carry and straps

Our catalogue separates full packs from sleeve cases, replacement straps, and small travel parts. A slim backpack carries your computer and chargers close to your back on a train. A sleeve case fits inside larger luggage for short trips. When an old strap snaps on a favorite bag, our replacement webbing clips directly to the original D-rings to save you buying new luggage.

Common construction details tie the entire line together. We stitch thick padding around the base of the laptop pocket where impacts happen. Water-resistant outer fabric keeps light rain off your electronics, while hidden security pockets sit flat against your spine. On expandable versions, a perimeter zip releases a folded gusset to double internal volume, and a wide rear sleeve slides over rolling suitcase handles.

Where each section earns its place
SectionWhat it takesPiecesMiddle price
Laptop BackpacksSlim shells that carry a computer on both shoulders55$39.99
Laptop Sleeves & CasesPadded cases cut to a screen size52$32.99
Shoulder StrapsReplacement webbing cut to a length, each one with a fixed padded section and a pair of clasps236$19.99
Shoulder Pads & CushionsCushions that slide onto a strap you already own, from thin everyday pads to the thick tactical pair94$18.99
Luggage & Travel AccessoriesLuggage belts, trolley straps and cord pouches31$13.99
Build details, counted across the range
DetailPieces
Printed screen size107
Expansion zip gusset93
Luggage pass-through or belt112
Inward-facing pocket layout13
Water-resistant coating104
USB pass-through port14
Measured strap length209

Numbers worth knowing

  • Prices run from $5.99 to $69.99, with the middle of the range at $19.99.
  • 107 pieces name at least one screen size, across 10 different diagonals from 12.9 to 17.3 inches.
  • 209 straps carry a measured end-to-end length, from 57 to 79.5 inches.
  • 129 colour names run through the range, and the average rating across the rated pieces is 4.43.

What buyers say after a few months

Three buyers describe how our bags and replacement straps hold up during daily travel. Read their notes below to see how the gear behaves on the road.

★★★★★

This is a great backpack if you're looking to go minimal. It's enough to hold your laptop and some notebooks. No bulky backpack to lug around. It's made of water resistant material and is high quality and stylish all around. The zippers have pulls attached, the inside is silky smooth fur like material, it has multiple pockets and an attachment to slide it over your suitcase handle. It even comes with a small bathroom or cable bag.

Kristy H.
★★★★★

Perfect for the Uniqlo Multi Pocket Shoulder bag. The green is a great match and it makes the bag so much easier to carry. Will be great on any bag with the seatbelt-style strap that needs padding. Fits snugly and doesn't slide around, but I can slide it manually if needed without having to unattach it. This will make my bag so much more comfortable for long days especially since I carry it cross body and tend to weigh it down!

FLMom
★★★★★

I attached them to my backpack for keys, waterbottles with rings. tie shoes stings thru them to carry sneakers. They are versatile and with creativity can be used to attach other quickly needed items without digging in backpack.and add room outside of pack. They are versatile to hook onto back of seat rest in car for purse, bags, and items you don't want rolling around in back seat. LOVE them! Bought 2 more and love the colors!

Tina Stinnette

Find the right size for your load

Browse the five sections above or check your laptop measurements against the sizing chart to pick the right case.

Open the fit checkRead the road book