Description: Compact, easy to carry, lightweight, easy to clean, environmentally friendly, this massage ball is perfect for travel, home, and can be used for a long time. Featuring multi functions, this yoga ball helps to relax muscles, increase flexibility in the abdomen, thighs and lower back, enhance body coordination, balance and flexibility, and coordinate all major muscle groups. It is constructed of TPE material that is durable and compact. The length of the double yoga ball is 13.5 cm, the width is 5.5 cm. And the diameter of the single yoga ball is 5.5 cm. It is a good tool to relieve muscle tension and promote circulation. Item Name: Yoga Ball Material: TPE Features: Muscle Relaxation, High Density, Durable Size Details: Double Ball Size: 13.5cm x 5.5cm/5.31" x 2.17" (Approx.) Single Ball Diameter: 5.5cm/2.17" (Approx.) Notes: 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 different manual measurement. Package Includes: 1 x Yoga Ball Compact, easy to carry, lightweight, easy to clean, environmentally friendly, this massage ball is perfect for travel, home, and can be used for a long time. Featuring multi functions, this yoga ball helps to relax muscles, increase flexibility in the abdomen, thighs and lower back, enhance body coordination, balance and flexibility, and coordinate all major muscle groups. It is constructed of TPE material that is durable and compact. The length of the double yoga ball is 13.5 cm, the width is 5.5 cm. And the diameter of the single yoga ball is 5.5 cm. It is a good tool to relieve muscle tension and promote circulation.