Features: The world's first rubber 3D printing consumable, features: high toughness, high resilience, high precision, not easy to warp, no bubbles. High elasticity, high softness and high resilience rate, hardness 50-70A. The mechanical strength is high, the mechanical properties are good, the rebound rate is as high as 50%, and the rebound rate of ordinary TPU is only 15%. TPR material is used as an environmentally friendly soft glue, printing is odorless, and conforms to ROHS, REACH, EN71-3, ASTMF963 environmental protection testing standards. The application range is very wide, including: footwear, toys, film and television props, medical models (such as artificial limbs), balls, sealing rings, tires, rubber gloves, soles, pressure cooker pads, stethoscopes, etc. 1kg/ spool (approx. 2.2lbs) Flexible TPR filament for 3d printers. Vacuumed seal, 100% brand new. Specification: Color: Red, Yellow, Black, White, Beige, Green, Blue (Optional) Wire diameter: 2.85 MM Male: +/- 0.02 MM Printing Temperature: 230-260℃ Elongation at break: > 500% Printing speed: 50-100mm /s Bubble: 100% zero bubble Hardness: 60A-70A Gross weight: 1.0 kg Package Size: 21 x 21 x 7cm/8.3 x 8.3 x 2.8in Package Weight: 1.3KG/2.87lbs Packing List: 1 x Filament