sun eTPU is Thermoplastic Polyurethane (TPU) is a high strength flexible filament. 

Esun eTPU feels similar to a tough rubber Rubber Material this makes it flexible yet tough as well as easier to print and suitable for almost all FDM 3D printers.

• Excellent soft texture, with high resistance to impact and shocks
• The shore hardness of esun TPU is: 95A , Tensile Strength: 30 MPa.
• High transparency for natural or glass colors
• Anti-UV, environmental-friendly

Print Setting : 

1. print slow, 40 mm/s
2. Printing temp. is 215~220℃.
3. No need a heating bed, or suggest bed temp 60-80 ℃ to
4. Might need change the retraction speed and distance setting to get smooth finish