Feature: 1. Composite Plastic Material: Made of composite plastic (silicon, polyurethane, ABS23) material, strong, durable and lightweight, suitable for long term use. 2. Main Purpose: Warm up before the game, activate muscle memory. Make a steady swing to correct wrong swings for a smooth swing. 3. Increase Swing Distance: Golf swing trainer aid can increase swing distance for smoother swivel engagement and greater distance 4. Adjustable Wrist Strap: Adjustable hook and loop wrist strap, you can adjust the distance and tightness according to the arm length and wrist size, both adults and children can use. 5. Thickened Sponge: Thickened and comfortable sponge pad can reduce the friction between the body and the exerciser. 6. Ergonomical Design: Non slip handle, ergonomically curved design, fit the palm of the hand, comfortable grip, providing you great using experience. Specification: Item Type: Golf Swing Trainer Product Material: Composite Plastic (Silicon, Polyurethane, ABS23) Function: Swing and Turn Waist Posture Practice, Warm up Applicable People: Golf Lovers Weight: Approx. 370g / 13.1oz. Package List: 1 x Golf Swing Trainer1 x Manual