TPU Spacer Mesh Fabric for Backpacks — Specification, Uses and Sourcing Notes
TPU Spacer Mesh Fabric for Backpacks: Specification, Uses and Sourcing Notes
TPU Spacer Mesh Fabric is the version buyers specify for backpacks when the base material is fixed by performance rather than by price. This entry sets out what the material actually changes, which specification to write into the tech pack, and where the cost sits — the three questions that decide whether the item passes bulk approval.
What it is
TPU gives spacer mesh fabric its drape and hand feel. In practice that means the fabric behaves differently in cutting, in finishing and in wear: the finish has to be applied before assembly. Buyers who specify the material up front avoid the most common failure — an item that looks right on the sample card and behaves differently in bulk.

Typical specification
| Item | Spacer Mesh Fabric |
|---|---|
| Base material | TPU |
| Standard size | 280 gsm |
| Common finishes | Epoxy Doming, Antique Copper Finish, Rainbow Iridescent Finish |
| Processes | PU Coating, Electroplating, Sublimation Printing |
| Typical application | Backpacks |
| Related applications | Sneakers, Uniforms, Kidswear, Footwear |
| Test standard | WRAP |
| Usual packing | 100 pieces per polybag, 2000 per carton |
Properties that matter in buying
- Dimensional stability — 2% allowance is built into the spec before cutting.
- Colour fastness — tested to WRAP on the actual base material, not on a substitute.
- Mechanical performance — cycle life after 50 cycles or washes.
- Compliance — WRAP documentation issued with the shipment.
- Consistency — the approved counter sample becomes the reference for every reorder.

Common uses
- Footwear
- Jeans
- Baby Clothing
- Workwear
- Backpacks
- Caps
How to specify it
- Name the base material in the tech pack, not just the item.
- Fix the size and tolerance in writing before sampling starts.
- Approve a counter sample made from the actual bulk base material.
- Order the test report against the standard your market requires.
- Retain a golden sample at the factory and a second one with you.
Related reading
Related specifications on this site cover covered button, recycled polyester fabric, georgette fabric, coated fabric, and the processes most often paired with spacer mesh fabric include water repellent finishing, singeing, garment washing.
Send the reference sample or tech pack and we will come back with a costed specification, a sampling timetable and the compliance documents your market requires.



