?4 VELCRO KEEP EXTRA SECURE? 3 Velcro straps wraps around handle bars on each side, plus the long vertical bar has another strap to keep cup holder upright and secure, the extra sleeve at the top keep inner stuffs safety even hitting a bump
?MUTI-FUNCTIONAL BOTTLE HOLDER? 3.5 inches/ 90mm diameter *160mm height in size, fit for most containers like soda bottles, coffee cup, beverage, insulated bottles, beer. Our bottle holder bag also can be used to storage phone, wallet, sunglasses, keys, earphones, cards and IDs, etc.
?INNER INSULATED & OUTER PU MATERIAL? special aluminum foil inner layer keep your drinks cool in hot summer and coffee warm in winter. oxford PU outer layer, water-resistance and easy to clean after rainy days
?VERY HANDY & FLEXIBLE?our bike drink holder is easy to install & take off, you no longer have to leaving it anywhere in public , just take it off your bike. and this cup holder coming with a extra removable shoulder Strap, you can move it freely as needed
?WIDE APPLICATION?suitable for beach cruiser, exercise bike, electric scooter, folding bikes, shopping carts, road bikes and everywhere you can install