Fits Any Size - Roller cup holders designed with flexible tabs that can adapt to any water cup size to keep them vertical. Open sides will accommodate bottles with handles such as baby bottle with handle, cup with handle etc. Universal cup holder - the multi-functional cup holder can be used for wheelchairs, mobile scooters, armrests, children's bike , airport chair, office chair, lawn mower and trolley etc. For storing different sizes of bottles such as water bottle, coffee mug, baby bottle etc. Safe and stable - drink holder on trolley wheelchair is made of safe and environmentally friendly materials. ABS plastic and anti-skid rubber ensure the cups can keep stability in the buggy cup holder even on uneven road. High adaptability The multi-functional cup holder can be installed in stroller, armrest, scooter, children's bike , wheelchair, all kinds of mountain bikes, on office chair, stroller, deck chair, etc, to place different size bottles like water bottle, coffee mug, baby bottle etc. Simple service tools free and easy to install, can be prepared without tools. Wheelchair cup holder on wheels water bottle holder with a hook universal for pushchairs black stroller Features - Material: PP. - Size: 13 x 9.8 x 8 cm - Color: Black. Package includes 1 x bottle holder.