Made of good neoprene material, shockproof while maintaining its high softness, elasticity, lightweight and comfortable, can fully effectively protect your stanley tumbler from being scratched. More sturdy and not easy to deform for a long time usage, which can be cleaned repeatedly (machine washable) and never fade. Our water bottle holder with strap is specifically designed to perfectly fit the Simple Modern Stanley 40 oz Tumbler water bottle. It features a tight fit and delicate stitching that complements the original color of your tumbler, making your Stanley Tumbler even more. The water bottle sling holder offers a soft padded handle and an adjustable shoulder strap, which can be effortlessly adjusted between 28 inches and 50 inches, suitable for most body types. Whether you prefer to carry it as a shoulder bag, cross-body bag, or handbag, the versatile design allows for easy adaptation to your needs. Our water bottle strap for stanley cup is ideal for both kids and adults, perfect for school, commute, jogging, hiking, cycling, camping, travel, or even if you're at the beach, at the gym, or at sports events. Water bottle bag with strap are not only practical but also thoughtful gifts for your family and friends.