Our Aosom Elite 2in1 double child bike trailer and jogger is ano-frills, quality yet cost-effective solution to your kid carryingneeds. Basic features include a hand-lock brake system, smooth-rolling20" quick release wheels and sling seat with 5-point safety harness. This model has manyfeatures of much more expensive brands, including: - Hand lock brake system on rear wheel so you can lock the strollerwhile parked - Frame is lightweight, but made of steel so it is very strong - Made for use with one or two children - Ultra smooth-rolling 20" x 2 1/4" wheels ride easily across uneventerrain - Sling seat w/ 5-point safety harness - Extra security and comfort forpassengers - Fits in the trunk and storage areas of most vehicles after folded - Converts to a jogger in seconds w/out tools - Convenient - no need tocarry tools (conversion kit is included) - Aosom type "A" bike hitch/coupler is included for connecting thetrailer with a 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 - Suggested minimum child age of 18 months Specifications: - Max Weight Limit: 57 lbs - Assembled Weight: 39 lbs - Front wheel size: 12" x 2 1/4" - Rear wheel size: 20" x 2 1/4" - Overall Dimensions (with Jogger kit installed) - 52" long x 35"wide x 41 1/2" tall - Folded Dimension - 32" long x 27" wide x 9" tall