Simple Solution Washable Diaper Cover-Ups, X-Small, "Colors May Vary", Pink/Purple or Blue/Black, 2 Pack Simple Solution X-Small Washable Diaper Cover Ups (4 lbs - 8 lbs) are great for dogs with incontinence, in heat, excitable urination, and for travel Washable Diaper Cover Ups should be used with Simple Solution Diaper Liners and are available in four colors (pink, purple, blue, and black) Each Cover Up has an elastic waistband and tail hole to ensure a snug and comfortable fit Great value: two (2) extra small washable cover ups per package Cover Ups are machine-washable