High quality, durable fiberglass and nylon design. Improve putting alignment, length of stroke, eye line, ball position, swing plane and more. Included a portable and lightweight storage tube . Easy to store in your golf bag. Good visual training aid. The golf training aid can help golfer improve technique anywhere. Easy to use putting aid, Improves for golfers of all abilities and skill level. Specification: Material: Durable Fiberglass Stick Length:Approx.24cm/ 9.4 inch;Diameter:8mm/0.3inch Line Length: Approx.300cm/9.8 ft.Diameter:2.5mm/0.1inch Color: Black + Green Package Includes: 1 Piece Golf Training Aid Note: Please allow slightly difference due to manual measurement. Color may be slightly different since different monitor. Thanks!