Strap Width: Available in two sizes, 20mm and 22mm. Color Variations: 10 colors including white, black, brown, navy, red, green, light green, orange, yellow, and gray. Length: 78mm / 120mm (excluding buckle) Material: Made of high-quality silicone. Waterproof: Silicone material is resistant to sweat and water, perfect for outdoor activities and sports. Flexibility: Soft and skin-friendly, providing a comfortable fit. [Included] 2 spring bars. Durability: Made of highly durable material that is resistant to degradation even with long-term use.