This set includes nine mini stress balls, each in a different color for variety. The small, squeezable balls inside provide a tactile experience designed to help relieve stress. Measuring 1.57 inches in diameter, they are compact and portable for use at home, work, or while traveling. Made from high-quality, non-toxic materials, they are safe for regular use, though excessive force should be avoided. Their simple design makes them easy to use in any setting for quick stress relief.