This unique set of 3 stress balls is fun and addictive. The elastic skin is filled with squeezable beads and bright shiny glitter. It glides through your fingers and sort of crunches when you squish it. Relieve some stress with every squeeze of the bead st ball. The bead ball has small beads inside a flexible outer covering. It is easily manipulated for a unique hand exercise experience. The exterior of the ball is made of Thermal Plastic Rubber. The inside is made from PVC, and the inside liquid is mineral oil. Colour varies.