and high quality Features: 16mm is the ultrathin series. 17mm and 19mm are the original series. 20mm is the multifunctional jelly series, compatible with SUSB401, SUSB402, SUSB101, etc. Made of high quality silicone material, providing a lightweight, durable, soft, and flexible wearing experience. Waterproof and sweat-resistant, comfortable to wear. Easy to install and replace the band, allowing for quick DIY installation. Available in multiple colors, stylish and vibrant to match your personality. Watch bands only; other accessories shown in the image are not included. Specification: Material: Silicone Type: Watch bands Size: 20mm (0.79in), 19mm (0.75in), 17mm (0.67in), 16mm (0.63in) Color: Brown, Dark Blue, Navy Blue, Black, Red, Yellow, White Size: One Size Band Length (excluding buckle): 11.8 + 8.0cm (4.65 + 3.15in), 12.1 + 8.5cm (4.76 + 3.35in), 11.0 + 8.0cm (4.33 + 3.15in) Buckle Width: 20mm (0.79in), 19mm (0.75in), 17mm (0.67in), 16mm (0.63in) Quantity: 1 Piece Note: 1. No retail packaging. 2. Please allow 0-1cm error due to manual measurement. Please ensure you are comfortable with this before purchasing. 3. Due to differences in monitor displays, the image may not reflect the actual color of the item. Package includes: 1 x Watch band