Product details:

The Yepp Maxi Seatpost mounts to the seat tube of most conventional bikes. The innovative design provides maximum child safety and comfort. Adjustable and padded five-point harness Footrests can be easily adjusted to the right height without the need for any tools Anti-theft lock included Mounts to round seat tubes with a diameter of 28-40mm Designed and tested for children from 1-6 years of age up to 40lbs .