High-grade silicone grease.Environmentally friendly, non- and odorless.Good waterproof seal.Good lubricity and low friction coefficient.High and low temperature resistance, -50 to 230 degrees.Non- to contact metal and non-metal materials.For O-ring lubrication.O-ring maintenance for equipment such as aquarium filter tanksCO2.Can be used for all kinds of toys, flashlights . Lubrication and sealing of valve O-ringsseals.easy to useColour:WhiteMaterial:plasticSize: 5CM x 1CM x 1CMPackage Contents:2 x silicone grease lubricantsOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +- 1-3cm.