MaterialIt has a shore hardness of 85A.fter strict procedures, no bubbles, ultra smooth technology.Excellent bed adhesion, low- warp and low-odor, make these flexible 3D filaments easy to print. QualityExcellent bed adhesion, low-warp and low-odor, make these flexible 3D filaments easy to print.After strict procedures, no bubbles, ultra smooth technology,little to no odor. AccuracyCCD diameter measuring and self-adaptive control system in the manufacturing ensure strict tolerances.Dimensional accuracy + / - 0.02 mm without any exaggeration. CompatibleTPU is easy to print thanks to excellent bed adhesion and the filaments tendency to not warp Great for a variety of projects, Compatible with all FDM printers on the market which accept 1.75 mm filament. International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.