𝐁𝐑𝐄𝐀𝐓𝐇𝐀𝐁𝐋𝐄 𝐏𝐄𝐓 𝐁𝐀𝐂𝐊𝐏𝐀𝐂𝐊: Multi aspects physical mesh hole and smart ventilation system features great air circulation; Inbuilt mini fan of this cat backpack carrier provides a movable air conditioner for your cat or dogs against being hot inside in the sunshine; The Best Choice that you cannot go wrong with for your pet𝐋𝐈𝐆𝐇𝐓 𝐅𝐎𝐑 𝐏𝐄𝐓: This pet carrier backpack definitely ensure your cats comfort; The inbuilt lamp with gradual illuminating system will make your pet feel warm and safe𝐌𝐀𝐓𝐄𝐑𝐈𝐀𝐋 & 𝐂𝐎𝐋𝐎𝐑: Pet backpack is made of Fabric, ABS and PC materials so you don’t need to worry about damage done by clawing or gnawing while also ensuring your pet's complete comfort; Hard space capsule shell prevents backpack from biting and scratching; Available in 2 colors: White and Green𝐁𝐀𝐂𝐊𝐏𝐀𝐂𝐊 𝐃𝐈𝐌𝐄𝐍𝐒𝐈𝐎𝐍𝐒: This dog travel bag dimension is 32 x 27 x 44.5 centimeters; Recommended small animals up to 8 kilograms; Easily fits cats, small dogs, and most other small or medium sized pets𝐏𝐄𝐓 𝐓𝐑𝐀𝐕𝐄𝐋𝐈𝐍𝐆: This pet travel bag is designed for outdoors and travel, you can use it to carry small dogs or cats for biking, hiking, camping, outdoor walking or pet meeting; Designed for cat carrier backpack with a generous window so your pet can enjoy the scenery; The tinted window keeps out harsh light, providing a calming place for your cat to travel in comfortPOWER SOURCE: INSTACHEW breezy pet carrier has a small pocket in the side of the backpack, which is to place the remote power source. Connect Breezy to the remote power source in the pocket to control it. Breezy doesn't include batteries. Removing the charger will stop the backpack from working properly. For a 5000mAh power source, Breezy could work for around 20 hours in Auto mode. For a 10000mAh power source, Breezy could work for around 40 hours in Auto mode.