Features: These replacement wheels or front armrest provide a smooth and stable ride for baby stroller. Crafted from rubber and metal materials, these wheels offer reliable support and durability for your stroller. Great replacement wheels for your lost or broken stroller wheels or stroller front bumper bar. Easy installation and removal. Suitable for grass, gravel roads, sidewalks, sand, etc., providing safety for infants. Specifications: Material: Rubber+Metal Type: Front Wheels, Rear Wheels, Front Armrest (optional) Front Wheels: about outer diameter 15.7cm/6.18", tire width 2.6cm/1.02", axles rod 3.5cm/1.37" Rear Wheels: about outer diameter 18.4cm/7.24", tire width 3.4cm/1.33", axles rod 4.2cm/1.65" Applicable Model: for Yoya Plus Pro, Yoya Plus Max, Dearest, Babalo etc strollers Package Includes: 1 Pair Baby Stroller Wheels or 1x Stroller Front Armrest Note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.