Material: Made of high quality silicone material. It is immutable, flexible, not easy to break, easy to disassemble and can be recycled Specification: 5 x 3 cm / 2.0 x 1.2 inch. Suitable for the most common military dog tags Design: This soft and elastic silicone material tag cover that can help your dog tag to reduce noise and protect your tag from breaking, prolonging the life of the tag and avoiding dog missing Easy to Use: Portable and lightweight and easy to disassemble and assemble. It can be stored in your drawers, pockets, handbags, cabinets when you're not using them Pack of 20: You can mix and match combinations according to your needs to meet the needs of different usage scenarios