INCLUDES 1 RANDOM COLOR YETI STRESS BALLS - These yeti creature stress balls are so adorable. The mystical animal comes in 4 different colors. These stress balls are unique because the outside layer of the ball is a soft fuzzy wooly plush fabric material. Inside is a pliable squishy soothing sensory ball filled with a clear liquid and a bunch of hard plastic colorful bead balls inside its elastic flexible skin. The colorful animal skin is so soft. When you squeeze the animals, the insides push out and the making the ball bulge and it makes it look like it is blowing a bubble. It is very soothing to feel and hear the hard beads swirl around, and it also makes a soft swishing sound to add to the sensory experience. 3" ball. Yeti measures 4" x 3.75". These are nice because they protect the ball from being twisted or jabbed with fingernails so it makes them a little more durable for occupational or therapy settings.