Specification: Brand new, Composition: food grade silicone grease, Feature: Food grade silicone fat, Environment friendly, non-toxic, odorless, Good waterproof seal, Good lubricity and low friction coefficient, High and low temperature resistant, -50 ~ 230 degrees, Has no corrosion to contact metal and non-metal materials, For O-ring seal lubrication, Used for O-ring maintenance of aquarium filter tank / carbon dioxide and other equipment, Can be used in a variety of toys at home, flashlight, Lubrication and sealing of valve O-ring / seal, Convenient to use, Package include: 1 x silicone grease lubricant