This is the same bag Taylor Swift Cat Backpack that she uses in Americana Netflix Documentary. Clear Bubble Hole which let pets see outside and inside backpack gets light with sense of security for you cat. Soft wool pad that absorbs water inside. Breathable holes inside the bubble and backpack for comfortable breathing. Smooth and strong zippers that are tested and long lasting. It can hold up 25 lbs cats and is one of the best seller and one of the highest quality product.