Description: Material: silicone Size: 6.3*6.3cm / 2.46"*2.46" Colors: red, orange, blue, purple, gray, green Feature: 1. Made of food-grade silicone, safe and harmless, can be used with confidence. 2. Effectively prevent dust and impurities from entering the bottle mouth, keeping beverages clean and hygienic. 3. Strong flexibility, suitable for a variety of bottle mouth sizes, convenient and practical. 4. Wear-resistant, not easy to deform, does not change color with long-term use. 5. Economical and affordable, a practical tool essential for your kitchen. Note: 1. Manual measurement may have an error of 1-2cm. Please understand, thank you. 2. Due to the difference between different monitors, the image may not reflect the actual color of the item. Package includes: 1* silicone soda bottle cap / 6* silicone soda bottle caps