The neoprene material used in this water bottle holder is waterproof and durable. The holder can be used in a variety of ways, making it a versatile accessory for any outdoor activity. The holder's enough capacity means that it can hold a variety of water bottle sizes, making it suitable for any outdoor adventure. Features -Color:Black -Material:Neoprene -Size:26.00X8.00X8.00cm/10.22X3.14X3.14in -Note: Suitable for 1000ml and 8cm/3.14in diameter bottle. - Designed for outdoor activities and convenient camping use, making it the good companion for hiking, camping, and other adventures. - Simple color design, decorative and practical, cup cover can make your water bottle more attractive. - This Water Bottle Sleeve is light, portable and necessity for your loved water bottle bottom protection. - Bottle sleeve will greatly extend the service life of water cup and greatly reduce the collision sound. - Made of soft neoprene material, more flexible and durable, reusable, give you more convenience. Package list: 1 cover