TOP QUALITY：Made from durable, lightweight, waterproof material. Easy to clean. Top and sides made of mesh netting for added sunlight and breathability. EXCELLENT DESIGN: The buckle belt loops allow the carrier to be restrained with a seat belt for car travel. The side zipper opening allows you to easily reach your pet. BREATHABLE WINDOW：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. SAFE AND DURABLE: Protect your pooch or kitty and ensure their safety. Quality materials, soft padding and a durable design keep animals secure and protected during travel. AIRLINE APPROVED: Extremely flexible and prepared to fit under almost any airline seats in a snap in upright position or side position. Patented flexible frames keeps the carrier completely unfolded and protects your pet from getting crushed when lifting it with the handles, onto your back, front or shoulder.