Steel frame construction is strong enough to support the weight of 2 children up to 40kg. Hand-lock brake system on the rear wheel allows you to lock the jogging stroller while its parked. A sling seat with a five-point safety harness to keep your children secure. Features: 2-in-1 design, easily converts between stroller and trailer. Ideal for children over 18 months. Disassembles easily to fold flat for easy storage and transportation. Assembles quickly. Removable clear plastic cover for front door to protect child from weather. Mesh zippered front and back door for quick and easy loading. Reflectors on wheels for safety consideration. Safety flag for child trailer visibility in traffic. Universal bike hitch to rear axle included. Trailer remains upright even if bike tips over. Homcom 2 In 1 Bike Trailer 2-Seater | Living Social