The Jones WJ model dog trailer comes loaded with features at an affordable price. Standard equipment includes all-aluminum construction, insulation, water tank, exhaust fan, floor mats, spare tire, and top storage with carpet and light. The WJ model features a unique top storage lid that can be opened from either side of the trailer for maximum convenience. Heavy-duty aluminum louvered door vents and keyed alike door latches round out a trailer that is the best value on the market today.