This is an approach training aid. If you get a feel for it, you can expect improvement in shanks and tops! Since it's made of rubber, you can use it with peace of mind indoors. We will ship the actual item shown in photos 1-3. Description: [Golf Swing Practice Ball]: This flat golf ball is designed as a training tool to help improve your golf swing and is an essential accessory for golfers. [Material]: Made of durable TPE material, the practice ball is built to last. [Convenient Size]: With a diameter of 4.3cm, it's close to the size of a real ball, so you can set up without feeling awkward. [Easy to Carry and Use]: The flat design makes it easy to carry, and it won't roll away during practice. Specifications: Material: TPE (feels like a hard eraser) Size: Diameter 4.3cm / Thickness 6.5mm (please understand there may be slight errors) Package includes: 1 Golf Practice Flat Ball Note: Please understand that there may be slight errors due to manual measurement and monitor differences. *Please understand that this will be shipped via regular mail during weekday daytime hours in a simple package placed in an envelope, due to space constraints.