The heart-shaped design of these grip strength balls adds a touch of fun to your exercise routine. They are compact and portable, allowing you to take them anywhere . this grip ball is for strengthening hand muscles, improving grip strength, and enhancing overall hand function Features -Color:Red -Material:TPR -Size:6.80X6.00X4.50cm/2.67X2.36X1.77in -Ergonomic design: the heart shaped grip ball is designed to fit comfortably in your hand, ensuring a secure and ergonomic grip during exercises -Enhances hand strength: this grip ball is for strengthening hand muscles, improving grip strength, and enhancing overall hand function -Versatile training: suitable for various strength levels, this grip ball allows you to exercise your hand to meet your specific needs and goals -Portable and convenient: easy to use anywhere, this grip ball enables you to perform hand exercises , in the office, or on the go -Durable and reliable: made from TPR materials, this grip ball is built to last, providing longterm use and consistent performance Package list: 4 x heart-shaped grip balls