Keep your loved one safe with these REUSABLE medical alert stickers. These are the perfect size for sleeves. Peel off and re-apply to another outfit over and over again. These stickers are made from 100% polyester, not paper. They are waterproof, so work perfectly even in a wet environment. Will NOT leave residue on clothing. Available in any medical condition. If you don't see the diagnosis or size you need, just message us! Each order includes 18 stickers. Approx. 2.5 x 4 inches. FREE shipping in the US!