Durability and Function combined with design Designed for pets’ and owners’ comfort Designed for airline approval The Costdot; a stylish travel must-have for the busy pet owner concerned about their pet comfort. The Costdot line features well ventilated sides; lockable zippered openings; convenient pockets; a reflective strip for added safety; padded shoulder strap; and the patented Pet Connect feature that allows owners access to their pets without the risk of escape. Reference: Airline approval Maximum size: 17″ x 10″ x 11.50″ (L x W x H) pets up to 14 lbs. Please check with your airlines prior to ordering for under the seat size requirements, as they do vary by airline. Remind: Please and Please again! Measure your pet and refer to below information before buying this item. Make sure this item is the right size for your pet.