Need accessories to go with your 3d printer? Check our Top 6 Essential 3D Printer Accessories. Packaging Size (WxDxH): 90mm*65mm*17mm (6pcs/ pack) Weight with Packaging: 9.8g Features: Silicone Cover used to isolate the Hot End 6 Silicone Covers in package Benefits: Precise temperature management and stable performance Quicker start by less heat up time to reach the set temperature Keep the Hot End clean – quick change and easy maintenance