Guardian Gear Sightseers-Pet Car Seats. Its a pet car seat and a pet carrier in one. Our Guardian Gear Sightseers give pets a comfortable trip in and out of the car. Now pets can travel in first-class comfort-in or out of the car! This versatile car seat doubles as a pet carrier for the ultimate in travel flexibility. Features a zippered mesh top, storage pockets for treats and toys, and metal grommets for extra ventilation. Can be attached to a seatbelt, seat, or headrest. Each measures 15 inches L x 15 inches W x 10 inches H and holds pets up to 20 lbs. Material: Carrier body is polyester, straps are nylon. Care: Wipe clean with a damp cloth.