Premium Material: This protective case is compatible with AirTags, made of soft liquid silicone with elasticity, shockproof and anti-lost design, easy to carry for pet collars, bag straps, etc. Pet Collar Attachment: Clever design for dog and cat collars. No longer worry about losing your pets when walking dogs or cats, as it attaches easily and securely onto collars. Can also be tied to a bag strap for children or elderly use. Luminous at Night: The case is made from luminous materials that emit light in the dark, helping you locate missing pets or belongings. Signal Unimpeded: The protective case does not affect signal transmission, allowing your AirTags to perform precise positioning. Sound Unaffected: The AirTag's built-in speaker plays sound and indicates position; the case does not weaken sound transmission. Specifications: Material: Silicone Compatible: for AirTags Colors: Black, Blue, Green, Pink, White, Luminous Green, Luminous Blue, Luminous Pink Size: Approx. 100x67x10 mm / 3.94x2.64x0.39 in Weight: Approx. 7g / 0.25 ounces Note: 1. Please allow +/- 0-1g, +/- 1-3cm error due to manual measurement. Please ensure you are comfortable with this before ordering. 2. Due to differences between monitors, the picture may not reflect the actual color of the item. Thank you! 3. AirTag not included. Package includes: 1 Piece Protective Case