No Tape, No Mess: Cup Covers are designed to be used in making epoxy cups or spraying epoxy when painting a DIY craft. These silicone protectors will help you get perfect lines without reusing tape. Glass shield package includes: 4 silicone sleeves. Silicone sleeve fits 12 oz wine glass, 12 oz - 32 oz bottle tumbler style. Unique Inner and Outer Glass Protector: A unique silicone base and lid that gives you 1.27 cm of line every time! Glass supplies are designed to fit snugly against the top and bottom of the tub. Specially designed for epoxy edges, tapered edges provide cleaning lines, glitter edges, epoxy lines like you've never had!! Bonus Tip: Our rim glass protectors are safe and flexible, , storage and maintenance. It can be easily cleaned with detergent after use. If the protective film does not fit snugly against the cup, you can fix it with tape, or use it in combination with a foam ball. PERFECT PARTNER FOR PRODUCTION OF RESIN ART: Mug Tumbler Maker Kit will help you design beautiful glasses and give to friends or family as birthday, Thanksgiving, Christmas, Valentine's Day, New Year's gifts and more. Colour:multicolor Material:Silica gel Package Contents: 1 set x tumbler shields Only 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.