Anti-skip stopper spacer rings play important role in jewelry making. 100pcs Rubber Stopper , silicone rubber, waterproof, high temperature resistant, fine workmanship. for Spacing, Fixing beads location, Stopper jewelry accessories, Loss. Fit For add-a-bead bracelets. Silicone.Color:Clear. Can be widely used for jewelry making, clothing accessory, curtain making, making, beading, any arts you like.