The silicone cup cover is easy to tear off the messy epoxy resin, keeping the rim and inside the cup clean, the effect is obvious.Easy to clean and store: The glass protector can be washed by hand or dishwasher-safe, clean and dry, reusable, can be stored overlapping by size, saving space and keeping tidy.Multiple sizes: Fit 30 oz (approx. 880.4 g), 20 oz (approx. 597.0 g), 16 oz (approx. 397.9 g), 12 oz (approx. 340.2 g), 10 oz (approx. 283.5 g). Dimensions are 67 mm /2.64 in, 70 mm /2.76 in, 73 mm /2.87 in, 83 mm /3.27 in, 90 mm / 3.54 in, 95 mm / 3.74 in, 102 mm / 4 in. This is a practical and durable flat bottom.The edges of the silicone protective ring are printed in multiple sizes, choose the right size silicone cup to insert into the cup mouth, and then install it with the foam of the cup flipper. After installation, chemical pigments can be avoided from entering the cup and increased friction to prevent the cup from sliding.his glass protector is designed to help cup dispenser and cup pourer foam work better together. For DIY pub lovers, adding a punt cover to your pub making supplies is a wise decision.color:BlueMaterial:Silica gelPackage Contents:7 x glitter sprayOnly the above package content, other products are not included.Note: Light reflection 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.