Rock Paper Scissors Lizard Spock Shirt cotton The symbols for Rock Paper Scissors Lizard Spock in a circle (with arrows for reference on what beats what) on a blue shirt 100% Cotton The arrows indicate what beats what to play the game Crew Neck Style Short Sleeve T-Shirt Length of T-Shirt measurement depends on size: Small 28", Medium 29", Large 30", XL 31", XXL 32", and XXXL 33"