"Sleep Meow Talk Later" for those days you just want to SLEEP! Pillowcase is 12"x12", one-sided, printed on 100% pre-washed cotton. You can add a pillow insert from our store to go inside the case! Details and Care instructions: -Pillowcase is 100% Cotton - Machine washable, -Tumble dry low or hang dry. -The pillowcase should be washed with "Phosphate free" detergent!