IMPACT TRAINING: The swing bag reinforces the correct club and hand position at impact leading to more accurate ball striking (instructional drills included with product) FILLABLE DESIGN: Fill the bag with old towels, rags or clothes to start using as a visual and physical feedback tool during training drills INDOORS & OUTDOORS: Perfect for any training space at home, at the course, in the garage and more; a must-have for golfers of all skill levels HEAVY-DUTY BUILD: Made from premium water resistant canvas DESIGNED BY GOLFERS: The GoSports Swing Bag was designed in the US and is made by golfers for golfers