INCLUDES 1 RANDOM COLOR - These large 2.5" stress balls are so fun and unique. The balls have a soft flexible clear skin and are filled with a thick gel-like filling that contains sparkly glitter. They are a fun and unique sensory ball that makes a perfect fidget. Balls available in 4 fun colors. These balls have a sticky tacky surface that goes away with use. Wash them to bring the stick back. Fun sensory squeezy, squishy stress ball is perfect for the office or classroom.