Multi-Color Set, Flexible Styling: Offers 12 trendy colors (including blue, yellow, purple, orange, red, green, etc.) for free mixing and matching—perfect for creating daily themed looks. Examples: sunny yellow for park adventures, mystic purple for cozy nights, or rainbow combinations for maximum attention. Lightweight Design, Comfortable Wear: Diameter only 1.4 cm (0.55 inches), suitable for breeds from Chihuahuas to Great Danes Weighs just 1.5g per bell, as light as a butterfly’s wingbeat Pets can move freely with no noticeable burden Durable Material, Scratch & Rust Resistant: Made with aircraft-grade metal and chrome plating, offering excellent resistance to rust, scratches, and impacts—stays looking new for longer.