Some pawesome features include: Can hold up to 15lbs (6.8kg) Dimensions - 13 x 10 x 16.5 (33.02 x 25.4 x 41.91 cm) Weight of bag itself - 2.5lbs (1.13kg) Comes with screen & bubble window attachments. Folds flat for easy storage Includes a removable mat for compact storage. Adjustable chest strap that adjusts two ways. Clip for your kitty's leash (like all of our backpacks!) Made of high-quality oxford cotton. Strong, breathable mesh windows for air flow. Air holes for even more ventilation.