1. Fits bottle caps snugly; available in multiple sizes; opens caps quickly
2. Biomorphic design that replicates real fish scales; features a subtle, natural texture and meticulous craftsmanship
3. Flat double-ring design for high strength and resistance to deformation
4. Made of zinc alloy; rust-resistant and wear-resistant; retains shape even with long-term use
5. Compact and elegant design, easy to carry
6. Material: zinc alloy
7. Weight: about 30g
8. Size: about 12.5cm