AIRLINE APPROVED PET CARRIER- ACCEPTED as a SOUTHWEST Airlines Pet Carrier, JETBLUE Pet Carrier, DELTA Pet Carrier Plus VIRGIN, ALASKA, FRONTIER, ALLEGIANT, UNITED & MORE. Carrier measures 17.5"L x 10"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 windows on top and all 4 sides provide optimal airflow. Some have zippers to quickly reach your pet to comfort, touch, or take in or out..STRONG & WATERPROOF - Weighing in at only 2.3 lbs, Designed with Breathable Mesh on all Sides for Proper Ventilation * Removable Fleece Travel Bed * Padded Shoulder Strap * Storage Compartment for Treats or Meds, Seatbelt Compatible..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.