What's in the box:

eSUN eFlex TPU Filament 1.75mm 1kg (2.2lb) Spool 3D Printer Consumables Natural Semi-Transparent Material Refills (Standard)

Features:
TPU Rubber Based, Natural Semi-transparent Color.
1KG Net (approximately 2.2 lbs) Filament with Clear Spool.
Reinforced Spool with Bigger Inner Diameter to Allow Smoother Pull from Extruder.
1.75mm Filament Diameter (Dimensional Accuracy +/- 0.05mm)
Recommended Extrusion/Nozzle Temperature 210C - 230C

eFlex Advantages:
TPU rubber based, very flexible and elastic like rubber band.
Shore A hardness at 87, tensile strength 52 MPa.

Packing List:
1 x 3D Printer Filament