Dog is Good Unisex Never Hike Alone T-Shirts - Great Gift for Dog Lovers Material: 50% Cotton, 50% Polyester Fabric: Preshrunk, Jersey knit Size: Standard unisex sizing Fit: Boxier cut and roomy Care: Machine wash cold, inside out, with like colors ONLY  Non-chlorinated/color-safe bleach when needed. Tumble dry low heat. Do NOT iron or dry clean.