These silent activity balls are crafted from soft PU material, ensuring a quiet and comfortable experience. Ideal for indoor use, they serve as excellent tools, allowing users to squeeze and release tension. Their foam construction makes them for hand therapy, promoting relaxation and reducing anxiety. Features -Color:Assorted Color -Material:PU/Polyurethane -Size:7.40X7.40X7.40cm/2.91X2.91X2.91in -Silent design: enjoy peaceful indoor activities without disturbing others, thanks to the innovative silent design of these balls. for quiet playtime at home or the office. -Comfortable material: made from soft pu foam, these balls offer a comfortable grip that reduces hand fatigue, making them ideal for extended use. - technology: the advanced foam construction helps alleviate hand tension, providing a relaxing experience for daily stress management. -Portable size: with a convenient 74mm diameter, these balls are easy to carry, ensuring you can enjoy their benefits anywhere, anytime. -Versatile usage: designed for multiple purposes, these balls can be used for practice or as a fun squeeze toy for all age groups. Package list: 5 x yellow Silent Ball 5 x green Silent Ball