Durable Rubber Construction: Crafted with thick rubber lining, this tennis trainer ensures effective rebound and long-lasting durability during intense practice session. Adjustable Stability: The innovative hollow kettle design allows for easy filling with water or sand, enhancing stability to withstand powerful hits without toppling over. Extended Elastic Rope: Featuring a premium elastic ball attached to a 4-meter elastic rope, this tennis training device offers consistent bounce-back action for repetitive hitting practice. Convenient Storage Solution: Utilize the semicircular top to conveniently store tennis balls when not in use, keeping them within reach for seamless training session. Portable Outdoor Companion: Ideal for outdoor training in parks, tennis courts, or back gardens, this tennis trainer is lightweight and easy to carry, providing endless leisurely practice opportunities. Description: Improve your tennis skills with this tennis trainer! Made with a thick rubber lining and elastic nylon rope, this training device ensures effective rebound and durability. The hollow kettle design allows you to fill it with water or sand for added stability during practice session. The high-quality elastic ball attached to a 4-meter rope enables you to hit the ball and have it bounce back for repeated hits. Conveniently store tennis balls on the semicircular top when not in use. Portable and easy to carry, this trainer is perfect for outdoor practice in parks, tennis courts, or backyards. Elevate your game and enjoy leisure time with this versatile tennis training device. Item Name: Tennis Trainer Material: Rubber, ABS Plastic Features: Adjustable, Portable, Elastic Rope Color: Blue, Orange, Purple Size Details: Trainer: 31cm x 19.5cm/12.2" x 7.68" (Approx.) Ball Diameter: 6.6cm/2.6" (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 Tennis Trainer 1 x Tennis Ball with String