Rene Rofe Baby Boys' Beep Beep 2 Piece Pant Set Top: 100% Cotton; Pant: 75% Cotton, 25% Polyester Imported Machine Wash Top: 100 percent cotton, pant: 75 percent cotton 25 percent polyester Side snap neck opening Elastic waist pant Tag less neck label Machine wash cold with like colors. Use only non-chlorine beach when needed. Tumble dry low