?5 pieces epoxy glass shield,silicone flat bottom cups prevent epoxy,glue,glitter from getting into the inside of the cup,better protect the cup. ?They are perfect for you because they fit most glass cups: 32 oz cups, 30 oz cups, 24 oz cups, 20 oz cups, 16 oz cups, 12 oz flat bottom cups, the vinyl shield for glass cups can effectively protect the rim and the inside of the cup, saving time. ?So you don't have to spend too much time cleaning the inside of the glass and risk scratching it! The glass shield resists epoxy and is easy to clean, so you can spend more time making your cups.?Satisfactory service?Good quality is always the same. If you have any after-sales problems in the process of use, you can contact us directly, we will give you a satisfactory answer and reduce your losses. ?Save time? Easy to operate, the vinyl cover of the glass bottle can effectively protect the rim and the inside of the cup, saving time. So you don't need to spend too much time cleaning the inside of the glass and risk scratching!. ?Cup protector?If you plan to do painting crafts and DIY on cups/mugs/cups, the flat bottom cup protector is a must, it can prevent epoxy, glue, glitter from entering the inside of the cup and protect the cup better. ?Eco-friendly material?: epoxy resin glass, material made of food-grade silicone, reusable and odorless. They repel epoxy resin and are easy to clean. Epoxy resin can be easily peeled off from the silicone!. ?Tumbler Shields? 5-piece silicone protector for 12 oz, 16 oz, 20 oz, 30 oz, 32 oz, capacity Turner cups, glasses, gallon jars, etc. Mug size may vary, please make sure to meet the desired size.Date First Available: April 5, 2022. Country of Origin: China. Manufacturer: WeArkoTac. Item Weight: 8.1 ounces. Best Sellers Rank: #50,291 in Arts, Crafts & Sewing. Customer Reviews: 3.7 out of 5 stars 55 ratings 3.7 out of 5 stars. : B09X6WLKNV. Item model number: TY-BK. Product Dimensions: 5.76 x 1.45 x 5.91 inches.