Package includes: You will receive 16 woven mesh tubes for marbles. There are 10 unique colors: black, red, pink, dark blue, light blue, purple, yellow, orange, green, and gray, plus 6 random colors. Durable material: Our stress-relief toys are approximately 10 cm each, very soft, easy to bend, and adjustable to different heights. They are made of high-density nylon, and the strong sealing cord prevents the marbles from falling out, allowing them to move freely so you can play however you like. Stress-relief toy: Our mesh marbles relieve stress and anxiety simply by squeezing, stretching, and twisting them. They keep your fingers busy, increase focus, and promote calmness. They are ideal for children, teenagers, and adults looking to reduce stress. Stress-relief games: These net balls help relieve anxiety and stress. They're perfect for playing with friends and family, relieving stress, and are suitable for various occasions, such as school, the classroom, the office, etc. Perfect gift: This net ball toy is lightweight, easy to carry, and durable. It can be used as a prize at carnivals, as a school reward, as a stress-relief toy, and is a good choice for Christmas, Thanksgiving, or birthday gifts. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to manual measurement.