Designed for convenience and functionality, these walker are easy to install and remove. The plug-in design ensures a secure attachment, while the silent and wear-resistant properties provide a smooth and quiet ride. These are suitable for parents looking to upgrade their ' or stroller with . Features -Color:Sky-blue -Material:PP -Size:10.50X7.00X4.50cm/4.13X2.75X1.77in -Wheel rod diameter: 0.98 cm -Noise reduction: these are designed to operate quietly, providing a calm environment for your child -Sturdy durability: crafted from sturdy materials, these are resistant to wear and built to last -Full rotation: the swivel feature allows for easy and flexible maneuvering -Convenient detachment: easily remove the for cleaning or replacement, ensuring simple maintenance -Fast setup: socket design allows for quick and easy installation on different strollers and Package list: 4 x stroller wheels