Features: Silicone and leather materials made, durable, comfortable and lightweight, making your life easier. With a porous design, adjustable length between 13-18cm/5.11-7.08", one size fits most people, you can adjust it to meet different requires. Waterproof and sweatproof, moderately soft and comfortable to wear. two-color bite, fashionable and elegant appearance, showing your personality, fashionable and novel. Replacement for worn or damaged watch band, give your watch a new look and get more appraises. Package Includes: 1 Piece Silicone Watch Strap Specifications: Material: Silicone+PU Leather Type: 01, 02, 03, 04, 05, 06, 07, 08, 09, 10 (optional) Width: 20mm/0.78" Length: Approx. 129+92mm/5.07+3.62inch Net Weight: about 17g Packing Method: pearl film bag 20mm Universal Suitable for Following Models: for GXY watch5 for GXY watch5 pro for GXY watch4 40mm/44mm for GXY watch4 classic 42mm/46mm for GXY watch3 41mm note: Watch strap only, smartwatch 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.