Compatible with apple air tag 2021 silicon material: Good partner with airtag 2021, compact and not easy to fall out, silicon material is much easier to transform and no obstacle feeling when using.Multiple function: The silica air tag holder is waterproof, sweat proof, anti fingerprint, Shockproof and comfortable, which also is to environment.Perfect airtag Collar Holder: This air tag wristband case can be used with children and the old, also can clipped to any items that fit its size. No worry about losing anything.Various color to choose: the protective air tag cases comes with 4 colors, you can choose the combination you want,black,,purple,blue and yellow, all are dust proof and high quality.First choice for gift: This is an excellent choice to children and friends who have a pet.(air tag is not included)compatible_phone_models iPhone Airtag 2021