Camo Backpack Carriers. Backpack Pets with This Rugged, Outdoorsy Look. Fresh from the field and stream, the Casual Canine Camo Backpack Carrier is perfect for a special friend who appreciates the great outdoors. Constructed of durable nylon in a fun camouflage print, this carrier has a removable, washable bed and a safety collar clip, plus padded shoulder straps that leave the owner's hands free when traveling with a pet. Measures 15 1/4 L x 10 W x 13 3/4 H and holds pets up to 22 lbs.