Pet carrier backpack with window blindThis pet backpack is simple and practical: New Upgraded Pet Travel Backpack: Three side was made of PVC mesh, and add curtains to prevent your cats dogs from sun, provide a safe privacy and reduce pet's stress response to external things when travelling. You can also roll up the front curtain and draw the curtains on both sides into a half curtain pattern to increase breathability. Pet Backpack Carrier Dimensions13. 39" L x 10. 63" W x 16. 93" H.