CeiBand watch band. Width: 20mm, available in two colors (blue and gray), allowing you to change it to match your style♪ It's completely waterproof, suitable for everyday life as well as marine sports like swimming pools and the ocean. It won't fade even after long periods of swimming or being submerged in water. Enjoy your activities! Made with high-quality silicone material and strict processing techniques, it's gentle on the wrist, odorless, environmentally friendly, and safe for sensitive skin. The rubber band has excellent strength, abrasion resistance, high-temperature resistance, and water resistance, making it difficult to damage. It's the perfect accessory for your watch. Material: Uses high-quality silicone material Waterproof performance: Silicone material that is resistant to sweat and water, perfect for outdoor activities and sports. Flexibility: Soft and skin-friendly, comfortable fit. Durability: Durable material that is resistant to degradation even with long-term use.