Blysters Ring, Yellow, X-Large The Blysters ring the best choice on the market to wear over, on top of or to prevent blisters, cuts, or abrasions The Blysters ring 4-pack costs about the same as a single roll of tape, yet can be used over and over again The Blysters are made of silicone that reacts to your body heat to create a "second skin " on your finger