Polyurethane foam that allows recipients to squeeze and release the tension of the day. It comes in plenty of colors, so choose what coincides with your brand and pad print your logo. The benefit of squeezing is renowned to releases some kind of energy that induces you to relax. Whether in search of stress relief toys / relievers or a new fidget toy, our round balls are perfect. Smoosh, squeeze, stretch, pull, toss, bounce - they will immediately return to their original shape. Simple squishy stress ball stress relief! 2 1/2" Diameter