AntiSlip Design Supports a variety of drink and phone sizes Easy to Install Just turn the knob counter clockwise to open the clip place the clip on the handleBar and turn knob clockwise to tighten the clip Adjust the cup holder to the desired angle and youre ready to go Rubber Grips To keep your drink stable while you stroll Phone Holder Dimensions 063 x 375 x 425 Drink Holder Dimensions 338 x 4