Compatibility: This set includes a perfectly fitting silicone boot for Owala FreeSip 40 oz and Owala Tumbler 40 oz, along with an adjustable shoulder strap Hidden Design: The connector is discreetly hidden between the lid and the bottle body, with a stainless steel material that securely fastens the shoulder strap to the water bottle. Whether you're running or walking, you won't have to worry about the bottle coming loose High-Elastic, Anti-Slip Sleeve: Designed specifically for Owala water bottle 40 oz, the boot features an innovative anti-stain coating that provides a comfortable feel and exceptional durability. Made from food-grade, high-elastic silicone, it’s BPA-free, odorless, and soft, offering reliable protection for your bottle Premium Material: The shoulder strap is made from thickened nylon with an adjustable design, allowing you to adjust the strap based on your needs, adding great versatility to your water bottle Multiple Color Options: This accessory set is perfectly suited for a variety of water bottle colors, including Pink Owala, White Owala, Blue Owala, Purple Owala, and Black Owala. Explore the ideal color match for your water bottle with these versatile options Silicone Boot Set for Cute Owala Water Bottle 40 oz - Includes Non-Slip Sleeve, Shoulder Strap, Perfect Owala Accessories, Fits Owala Tumbler, Owala Free Sip, Pink owala, owala coffee (White)