【Learning Aid】: These bicycle training wheels are designed to help children learn balance skills, improve riding stability, and boost their confidence. Ideal for kids learning to ride a bike. 【Material】: Made from reliable PP and stainless steel, these training wheels are sturdy and long lasting, ensuring your child's safety during their learning process. 【Easy Installation】: The wheels are easy to install on your own, saving time and effort. They contribute significantly to improving your child's biking skills and level. 【Long Lasting Use】: Our kids' bike training wheels can be used for an extended period of time, providing safety assurance while your child is learning how to ride a bike. 【Versatile Application】: These kids' bike wheels are not just accessories but essential tools for any child learning how to ride a bicycle, ensuring they have the support they need until they're ready to ride independently. Specification: Material: PP, Stainless Steel Package Includes: 1 Pair Bicycle Training Wheels Note: Please allow slightly errors 1-2cm differences due to manual measurement.