Features:Quality silicone material, soft and durable.Waterproof and sweatproof, moderately soft and comfortable to wear.With a porous design, one size fits most people, adjustable to meets diffenent need.Fashion and elegant appearance, brilliant colors, highlight your personality, fashionable and novel.Applicable for fitbit inspire3 smartwatch. Specifications:Main Material: SiliconeSize: Small, Large(optional)Color: Apricot, Light Green, Black, White, Red, Purple, Yellow, Dark Blue, Green, Gray(optional)Large Length: Approx. 133+103mm/5.23+4.05inchSmall Length: Approx. 103+93mm/4.05+3.66inchWidth: approx. 15.4mm/0.60 inchApplicable Model: for fitbit inspire3 Smartwatch Note:Watch strap only, 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