Cotton Sling Pet Dog Cat Carrier Bag 10 Optional Colors Material:70% cotton mixed 30% polyster; Machine wash in cold water on a gentle cycle SizeW 23 x L 12" There is Safety belt at one side.It can help you to fix dog or cat in bag .So your pet is much more secure. The Pattern of inside fabric at random The Pet Sling measures 9 inches depth and holds pets up to 12 pounds. Perfect for smaller breeds.