Material:Elastic fibers Size: 18-24oz: 18*6.7cm/7.09in*2.64in 32oz: 21*8cm/8.27*3.15in 40oz: 24*8.5cm/9.45*3.35in Color: As shown in the figure Product features: 1. Wide applicability: This product is suitable for various sizes of water bottles ranging from 18oz to 40oz, meeting the needs of different users. 2. Multiple carrying options: The product comes with an adjustable shoulder strap, providing various carrying options such as handheld or cross-body, convenient and easy. 3. Strong protective ability: Made of high-quality materials, this product has excellent cushioning, impact resistance, and waterproof capabilities, effectively protecting your water bottle from damage. 4. Stylish and practical design: The product features a minimalist and fashionable design while considering practicality, easily accommodating water bottles in backpacks or handbags. 5. Multi-functional portability: Made of lightweight materials, this product is easy to carry and suitable for various occasions such as sports, travel, and outdoor activities, making it an ideal choice for carrying water bottles on the go. Package includes: 1 pc Water cup protective cover(No water cup)