TrustyPup Travel Easy Explorer a Guaranteed On-Board® airline travel pet carrier is compliant with most airline's specific rules and regulations, allowing pet parents to travel with peace of mind. Designed for small dogs and cats, size of carrier is 18 Long x 11 wide x 10.5 high. This carrier has a patented spring form frame which will fit under most airline seats. TrustyPup® gives pet parents the best of all worlds: innovative products, stylish designs, environmental responsibility, and exceptional value with a variety of toys and beds to meet a dog's needs for play, explore, retreat, rest, and fun!