The Flexible Apple AirTag Case is made of silicone with a flexible strap. It is easy to secure to your items. Simply loop the strap through a purse handle, keys or backpack to loop it through to attach it! The case is wear resistant, sweat-proof, scratch-resistant, and washable. It's also super easy to remove it and attach it to another item you want to keep track of. Available in 3 colors and has a nice imprint area on back for your logo.