I Miss My WaterBed T-Shirt- Funny Back in The Day Tee Solid colors: 100% Cotton; Heather Grey: 90% Cotton, 10% Polyester; All Other Heathers: 50% Cotton, 50% Polyester Imported Machine wash cold with like colors, dry low heat Perfect shirt for anyone that LOVED their Waterbed! Waterbeds were so cool AND Fun!! Lightweight, Classic fit, Double-needle sleeve and bottom hem