Silicone strap for GTS 4 Mini/GTS 3/GTS 2e/BIP U/bip 1S (note: watch is not included) . Vibrant appearance, multi-color options will provide you with a free lifestyle. Made of environmentally friendly nylon material, no extra edges will hurt your skin. The buckle is made of high-quality stainless steel and will not fade even if you swim or soak in water for a long time. suitable for 6.29in-9.05in (160mm-230mm) wrist. It is very convenient to adjust the length to fit your wrist. What we can assure our customers is that we will provide higher quality products and customer service.