Product description: Natural resin strap, waterproof and wear-resistant, not easy to deform, elegant and fashionable, comfortable to wear, it can be worn in all four seasons of the year Material: Resin Fit: Compatible with Casio g-shock GA-400-1A GBA-400 GA400GB-1A Width and length: Band width :22mm,lug 16mm band length:140mm- 210mm Packing: 1 x watch strap; 1 x spring bar remover; 3x spring bars; 1 x installation manual;