[ SKIN FRIENDLY NEOPRENE SLEEVE ]-Each Water Bottle has The Insulated Sleeve and Shoulder Strap Made by 100% Neoprene Which is a Material Used in Wetsuits to Allow for Maximum Insulation and Comfort. It Comes with Soft Material 3mm Texture and a Sleek Look; Sweat Absorb; BPA Free; People Never Feel The Rigidity and Coldness of The Metal Because of Sleeve Avoid Hand Hold Metal Skin Directly; It Helps Keep Drinks Colder Long Times. The Zipper Ensures That It can Be Easily Removed From Bottles. [ FOOD GRADE STAINLESS STEEL ]-QISSZION Water Bottles 25oz Made of 18/8 PREMIUM Stainless Steel BPA Free. The Double Wall Vacuum Insulation Creates a Superior Travel Drink Container for All Cold/Hot Beverages. It Keeps an Abundance of Your Cold Drinks Up to 18 hours, Hot Up to 24 Hours; This Metal Travel Water Bottle is Condensation Proof Which Allows for a Safe and Secure Grip. Its Design Eliminates Sweat and Leaks While Keeping The Hot/Cold Beverage Temperature From Affecting Your Hand. [ EASY TO HOLD AND DRINK & HANDS FREE ]-QISSZION 25oz Water Bottle With Insulated Sleeve Easy to Hold By One Hand (Measuring 12.2" x 3.14"). Young Girls or Boys Also Easy to Hold; Standard Mouth Opening for Ice Cube Insertion (Mouth Diameter 32mm) and Easy to Drink;The Sleeve Has D Shaped Metal Button, By Fastening The Lobster Buckle From The Adjustable Shoulder Strap Contact with D Shape Metal. The Adjustable 1" Wide Shoulder Strap Goes From 35" - 63" for Comfortable Carry Options. [ STRONG COMPATIBILITY & SCENE OF APPLICATIONS ]-QISSZION 25oz Water Bottles with Insulated Sleeve Suitable Backpack, Briefcase, Women's Handbag, Beach Bag, School Bag, Picnic Basket , Larger Lunch Bag or Others. The Sleeve can Effectively Prevent Metal Bottle Contacting Other Items in Bags; Suitable for Standard Water Bottle Holder or Stand Storage, Bicycle Holder, Car Holders, Fridge; Best Insulated Sports Water Bottle for Adults Hiking, Walking, Traveling, Working Out for Women or Girls. [ QISSZION MISSION AND SUGGESTIONS ]-Eco-Friendly and Convenient are Your Basically Choose, Same As QISSZION MISSION. Reusable Water Bottles are A Tried and True Environmental Friendly Solution. Remember To Drink More Water and Easy Carry a Water Bottle at All Times.