Applying your Shrinkable Cast Cover™ to your arm cast is as easy as 1-2-3! 1) Cut a thumbhole (if needed)2) Cut to length3) Using any hair dryer, you'll see it shrink right before your eyes!This short video will demonstrate just how easy and how much fun it is to apply a Shrinkable Cast Cover™ to your arm cast or leg cast. Shrinkable Cast Covers™ are a cool, new way to accessorize your cast. They use FDA approved material and offer great cast protection, helping to keep the cast clean, improving the healing process for your broken leg or broken arm. Shrinkable Cast Covers™ are breathable, like fiberglass casts and are smooth which will help you sleep easy. The more Shrinkable Cast Covers™ you buy the more fun your cast becomes. Buy a different design for every broken bone. Buy a different design for every week you have your arm cast or leg cast! Check them out at www.shrinkableskins.com.