RVing is always 10 times better when Dog is along to share the experience and adventure. If you RV with Dog, now you can say: been there, done that, got the T-Shirt! 50% Cotton, 50% Polyester Preshrunk, Jersey knit Standard unisex sizing Boxier cut and roomy Machine wash cold ONLY -- Non-chlorinated/color-safe bleach when needed. Tumble dry medium heat. Do NOT iron or dry clean.