This W4W Cup Holder is built with super durable Plastic, designed with a silicone insert that expands to fit any size Beverage or Bottle .The heavy Duty clip expands to fit on most Baby strollers, Bicycle, wheelchair seat, microphone Stand, Golf Cart, Boat handle bar, Treadmill, Motorcycle, Beach Chair, walker, kayak, ATV, Scooters etc. The clamp is wrapped with a Non Slip Silicone Grip to assure that the cupholder locks onto the device without movement. The 360° Technology allows the clamp to swivel at any angle, which makes it easy to attach to even the most oddly shaped objects. Such as a, Cane, umbrella, walkers, crib, desk, car seat, handlebar, Foldable seats etc. This stroller cup Holder Measures 4”inches in diameter allowing it to fit from the smallest to the largest cups, the silicone Liner acts as a guard to secure the cup in place to prevent the beverage from moving and spilling. The unique design of this Holder is engineered to fit even the most awkward shaped cups, Like Coffee cups, infant baby bottles, Sippy cups, mini cup with handles, glass coke bottles and Yeti Cups. Also large enough to fit a Cell Phone, Snack or even a small Bluetooth speaker Lightweight, Extremely Durable and waterproof sets us apart from the other cup holders on the market. The Clamp has a Rubber Grip and can extend from .5” – 1.75”, making it the perfect attachment for every stroller. To install, simply rotate the knob to loosen the clamp, affix clasp to the desired base, then turn the knob the opposite way to tighten the clamp. Great Christmas or Birthday gift for all parents, kids, and children. Never get stuck holding your Starbucks cup in your hand while strolling your carriage with the other. This stroller cup holder is a must to add to your stroller accessories. Compatible with: All double strollers| City Mini | Baby Jogger | Graco | Nuna | Chicco | Uppababy | Vista | Britax | Chico | Baby Trend | Buggy | Bugaboo| Bumbleride | Fist Years | Joovy | Maclaren | Maxi Cosi | Peg Perego | Citi select and many More…