Stroller Cup Holder with Phone Holder, Bike Cup Holder, Universal Cup Holder for Uppababy Nuna Doona Strollers, 2-in-1 Cup Phone Holder for Stroller, Bike, Wheelchair, Walker, Scooter Replacement Parts LARGE SIZE: The backpack size

LARGE SIZE: The backpack size is 32 cm "x20 cm "x45 cm" (L*W*H)

Non return valve only needs to be screwed onto the suction device hose

ensuring a snug yet comfortable fit

ensuring synchronized fan speeds for both fans

Stroller Cup Holder with Phone Holder, Bike Cup Holder, Universal Cup Holder for Uppababy Nuna Doona Strollers, 2-in-1 Cup Phone Holder for Stroller, Bike, Wheelchair, Walker, Scooter Replacement Parts LARGE SIZE: The backpack sizeWide Compatibility: This universal cup holder with phone holder compatible with most baby strollers, walker, wheelchair, rollator, bike, scooter, boat handle bar, shopping cart, kayak, ATV, lawnmowers, motorcycle, treadmill, golf push cart and so on. This 2 in 1 stroller cup holder with a phone holder, it can load drinks bottles and cell phone at the same time. You can see new messages, incoming calls in the first time when you are pushing a stroller