This is a bulk set of small 1.5" stress ball globs that come in 5 different styles. You You get a random selection of colors and styles. INDIVIDUALLY WRAPPED These balls have a sticky tacky surface that enables it to stick to walls or ceilings if you throw them. It is a fun game to try and throw and hit a target, or to lay in bed and throw it at the ceiling and wait for it to fall and catch it. Fun sensory squeezy, squishy stress ball is perfect for the office or classroom. Confetti Filled - The balls have a soft flexible clear skin and are filled with a thick gel-like filling that contains small bead-like styrofoam confetti balls. When you squeeze the balls, they retain their shape which makes them a fun and unique sensory ball that makes a perfect fidget. You can gently flatten the ball, or pinch and shape it in your hands. It almost reminds me of playing with dough without the mess. Glow in Dark Foam Doh Filled - This is very calming because it has a very silky soft fee