Features: Made of quality silicone material, durable and elastic, comfortable and lightweight, making your sports life more ease. With a porous design, one size fits most people, adjustable length meets diffenent needs. Waterproof and sweatproof, moderately soft and comfortable to wear. Special designed connector, quick release wrist band, two-color bite, compression molding, sturdy and durable. Stylish and elegant appearance, highlight your personality, fashionable and novel. Specifications: Main Material: Silicone Color: White Black, Yellow Black, Red Black, Black Red, Black Yellow(optional) Applicable Models: for Instinct for InstinctTide for Instinct Esports for InstinctTactical for Instinct Solar Note: Watch strap only, for smart watch is not included. Please allow 1-2cm errors due to manual measurement,pls make sure that you do not mind before you mind. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1 Piece Silicone Watch Strap