This bike trailer offers a comfortable and safe ride for children. It can be used for up to 2 children, and can be quickly converted to a stroller without using tools. 20-inch big wheels ride easily across uneven terrain, and a universal coupler attaches quickly and easily to most bikes. This bike trailer/stroller also comes with improved hand brake system with lock, so when you use it as a jogging stroller, you can lock the brake when the stroller is not in motion. Features: Frame – Lightweight and strong. ? Made by Steel. Made for two children, also can be used for one child. New hand lock brake system on the rear wheel, so the jogging stroller can be locked when parked. Ultra smooth-rolling 20″ aluminum quick release wheels ride easily across uneven terrain. Sling seat w/ 5-point safety harness – Extra security and comfort for passengers. Fits in the trunks and storage areas of most vehicles after folded. Converts to stroller in seconds w/out tools – Convenient – no need to carry tools (conversion kits are included). Bike Hitch/coupler is included for connecting the trailer with bike, it also fits bike with quick release wheels. 2-in-1 weather canopy – Helps protect kids from sun and rain. Rear storage area – Extra room for parents to carry items. Age limit- 18 months or older. Max Weight Limit: 88lb.