Lipstick DIY is very useful; make their own lipstick; inner hole 12.1mm; super soft super good mold release;use baby pacifier the same food grade silicone mold;this mold is suitable for all lipstick 12.1mm in diameter;silicone sleeve must match with aluminum round Rings can be used to make lipstick;an aluminum ring can be used with any silicone sleeve.Explanation:Product Name: lipstick moldMaterial: aluminum alloy; plastic; siliconeColor: SilverInternal diameter: 12.1mmBracket style: single holeSilicone Mould Style: BirdmouthEfficacy: Make lipstickPackage Contents:2x aluminum ring2x silicone mold2x single hole bracketOnly 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.