- Superior Neoprene Material: Crafted from lightweight and soft neoprene, this water bottle holder provides exceptional comfort and durability. It is both waterproof and shockproof, preventing scratches and noise when placing your tumbler on surfaces. This design effectively protects your Stanley cup from damage. - Compatibility: Specifically designed for the Stanley Quencher H2.0 and Adventure Quencher tumblers (40 oz and 30 oz), this holder features a snug fit that keeps your tumbler secure, making it ideal for car cup holders. Please note that it may be slightly loose for the 30 oz model. Available in five attractive colors. - Added Features: The holder includes a locking carabiner clip for convenient access to keys or accessories while on the move. It also comes with a charming daisy metal charm to personalize your cup. Additionally, a soft silicone straw cover is included to keep your straw clean and hygienic. - Convenient Storage: With two front pockets, this holder provides ample space for essentials like smartphones, cash, cards, and keys. The adjustable strap, ranging from 27.5 to 48 inches, allows you to carry it as a crossbody, on your shoulder, or by hand, catering to various activities. - Versatile Use and Easy Care: Ideal for biking, hiking, camping, walking, school, or gym activities, this holder is designed for everyday adventures. It has passed a full load test, ensuring durability for long-term use. The holder is easy to clean and is machine or hand washable, keeping it looking fresh over time.