Superior Compatibility: XTHCY straps are compatible with GBA-800 and GBD800 series models. Not suitable for other models. Superior Quality: XTHCY resin straps combine a stylish appearance with a soft feel and breathable properties, making them ideal for humid or high-temperature environments. Their exceptional durability easily handles activities like fitness training, swimming, diving, or rock climbing. Premium Materials: Crafted from carefully selected high-quality resin for comfortable wear. Features a stainless steel buckle for a personalized touch. Dimensions: Short strap 100mm, long strap 140mm, fits most wrist sizes. Package Contents: Strap ×1; Specialized tool ×1; Spring bars ×3. Your satisfaction is the cornerstone of our reputation. If you are dissatisfied with the received strap, please feel free to contact us via email at any time.