1. CONVENIENT STORAGE SOLUTION - Large enough to fit 750ML water bottles and standard/large bike bottles Mesh side pockets are perfect compatible with holding energy bars, trash, phone, small tools, etc.2. Insulated aluminum foil stem bag: With a special aluminum foil inner layer, our this stem bag can keep your drinks cold compatible with a long time in hot summer and keep coffee warm in cold winter. The strong shell bottom and padded oxcompatible withd fabric of this cup bag will protect cup or bottle well during riding, perfect compatible with long distance outdoor bike trip.3. Muti-functional and easy to carry: Bicycle water bottle holder bag is suitable compatible with both professional and amateur riders alike. Whats more, there have a removable shoulder strap. Once you finished your cycling, it can be used as a shoulder bag, to keep your pocket security and easy carry to anywhere.4. Durable fabric and easy to clean: This bike handlebar insulated stem bag is made of strong and durable duty material. Water and weather resistant, keeps your gear safe from the dirt, mud and dust. And keep your belongings dry and secure. It is very easily to clean the surface just wipe by hands.Weight: about 58gFunction: FoldableCapacity: 750mlcolour:Black+grayMaterial:300D nylon + aluminum foilsize:15.5 x 8.5cmPackage Contents:1 x Bike Kettle Storage BagOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.