Features: INNOVATIVE DESIGN: Safe and easy to use boxing ball, fixed with two strong suction cups at both ends, and the PU ball is soft which can be adjusted through the elastic string. MULTIPLE FUNCTIONS: Increase reaction speed, concentration, quickness and hand-eye coordination, burn calories, get fitness, body shaping, joy or relieve your feeling. SOFT and ELASTIC: The foamed PU ball is softer than other tennis ball and slideable on the elastic string for rapid elastic reflection. PORTABLE: The whole boxing ball equipment is small and lightweight for your exercise in various place. COMPONENTS: Out product includes four powerful suction cups, a piece of elastic string with adjustment buttons, a Foamed PU ball. Specifications: Material: PU Color: As The Picture Shows Package Weight: approx.195g String Length: approx.290cm/114.17in Package Includes: 1 Set of Boxing Reflex Ball note: Please allow 1-2cm error due to manual measurement. Please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks!