【Learning Aid】: These bicycle training wheels are designed to help children develop balance, improve riding stability, and build confidence while learning to ride a bike. Ideal for young riders gaining experience. 【Material】: Constructed from durable PP and stainless steel, these training wheels offer strength and longevity, supporting safety during use. 【Easy Installation】: Simple to install, these training wheels can be attached without the need for professional assistance, saving time and effort. 【Long Lasting Use】: Built for extended use, these training wheels provide consistent support as your child progresses in their biking skills. 【Versatile Application】: Suitable for most standard kids' bicycles, these training wheels serve as a helpful aid during the early stages of learning to ride. Specification: Material: PP, Stainless Steel Package Includes: 1 Pair Bicycle Training Wheels Note: Please allow slight size variations of 1-2 cm due to manual measurement.