Releasing yourself by these stress squishy hockey pucks which feature with a key chain at any time! These resuable stress relievers are made of polyurethane foam which can snap back all of your energy again and again.They are measured at 1.46 inches L*1.46 inches W*0.55 inches H. and offer a imprint area of 0.98"L x 0.98"W.Customize with your school, sports team, organizational or company logo or message to create a dynamic branded giveaway for your next marketing compaign or social event.They are produced for stress relieving hence they are not intended for children or pets.