Description100% and good quality. The premium grip cover is made from food grade silicone. It can be sterilized by vacuum sterilization or autoclave. Designed with salient point,featured with vibration absorption and skid resistance.Features- Color: Green - Material: Silica gel - Size: About 5.2x3x3cm (L x W x H). - and good quality. - The premium grip cover is made from food grade silicone. - It can be sterilized by vacuum sterilization or autoclave. - Designed with salient point,featured with vibration absorption and skid resistance. - Work for: grip,pen machine. - Warm Tip: Dear buyer, Due to lighting effect,monitor's brightness,manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item. sincerely hope that you can understand! Thank you!