PLEASE NOTE INTERIOR SIZING & PET MEASURING GUIDELINES BEFORE PURCHASE - Fits Pets up to 14"Lx10"H and up to 14lbs. PLEASE KEEP IN MIND that we show the exterior dimensions as well as approximate interior dimensions to best portray the usable interior space for your pet. The interior space will be less than exterior due to the fabric thickness and plush faux fleece padding. AIRLINE APPROVED PET CARRIER- ACCEPTED as a SOUTHWEST Airlines Pet Carrier, AMERICAN Airlines Pet Carrier, JETBLUE Pet Carrier, DELTA Pet Carrier Plus VIRGIN, ALASKA, FRONTIER, ALLEGIANT, UNITED & MORE. Carrier measures 17.5"L x 7.5"W x 11"H. DESIGNED with a Ventilated Top to meet all airline regulations of under forward seat. ULTRA-SAFE, EXTRA DURABLE- UPGRADED to REINFORCED Polyester & CLAW-DEFENSE MESH on top & 4 sides ensures your pet has ample VENTILATION and AIRFLOW & it WON’T TEAR like flimsy, cheap carriers while MINI ZIPPER BUCKLES ensure your pet stays tucked safely inside. EASY ACCESS & VENTILATED: Mesh