[Quality 95A TPU filament]- The ZIRO black thermoplastic polyurethane (TPU) filament is made of premium raw material, and the surface hardness is Shore 95A which features excellent softness and flexibility. With higher strength, no odor, no warp, clog-free, and bubble-free. Allowing 3d printing enthusiasts to create stunning works with fewer issues. [Tangle-free]-Our ZIRO filament uses full mechanical wire winding to avoid tangles and knots during printing. And completely drying for 24hrs before vacuum sealed. Moisture-free and bubble-free to make 3d printing much easier. (Please remember to store the TPU with the re-sealable bag after use to keep it dry)