What's in the box:

Creality 3D 3pcs 3D Printer Heat Block Silicone Cover Case Hotend Extruder Silicone Insulation Socks (Standard)

Features:
Made of non-stick silicone material, durable and high temperature resistant.
Helps to keep the hot end temperature extremely stable.
Can extend the life of the heater block and extruder by keeping it cleaner.
High temperature resistance: 280?
3pcs heat block silicone cover for printer hotend or extruder.

Specifications:
Color: Black
Material: Silicone
Quantity: 3pcs
Item Size(each): 2.2 * 2.2 *1cm/ 0.9 * 0.9 * 0.4in
Item Weight(each): 4.5g/ 0.16oz
Package Size: 23 * 14.5 * 1.5cm/ 9.1 * 5.7 * 0.6in
Package Weight: 14g/ 0.5oz

Packing List:
3 * Silicone Cover