Features: Convenient and practical: The water bottle sling bag is not easy to stain dust and easy to clean, bringing you a lot of convenience. In addition, the water bottle sling bag has a certain insulation effect, practicality is very strong. Nice gift: You can give bottle cooler sleeve cover as a thoughtful gift to your partners, classmates, colleagues, and family members to show your goodwill and promote your relationship. Specifications: Material: Bottle sleeve: neoprene Bottle straps: nylon Color: red, light purple, blue, rose, green, yellow Size: approx. 2.6 x 7.28 inches/ 6.6 x 18.5 cm (D x H) Package includes: 12 x Water bottle holder carriers Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays. Winding risk may exist, children should be accompanied by adults.