Denim Collection - All denim items are made of 100% cotton denim material. Precision stitching and detail craftsmanship make this collection look exactly like people clothing. All the pockets are operative, just perfect for very small treats or poop bags. Pocket snaps on the smallest sizes are decorative for an authentic look. Wide opening between the legs and privates area allows the male or female dog to do what ever they need to do without restriction.