Features: 1. Designed and manufactured for golfer to practice and correct swing gesture, safe and reliable; 2. To practice and help players find a more solid touch feeling; 3. Make batter' swing strong and powerful; 4. Help player master right swing gesture and quickly correct right and left curve ball. 5. Cloth strips, old clothes and other soft items are recommended to fill in. 6. Please do not fill in sand, soil, stones and other hard objects. 7. Do not practice or smash with hard force in case of pulled muscle or damaging bag; Specifications: Product name: Golf Swing Training Package Aid Golf Impact Contact Power Smash Bag Material: high density waterproof material Application: for practicing and training golf swing Product weight: about 450g Package Include: 1 X Golf Impact Contact Power Smash Bag Note: Please filling with soft things like old clothes or towels inside. (Filling not included).Do not fill sand,mud,gravel and other hard objects