Item Type: Swing Correcting Arm Band Material: Nylon Product Color: Black Product Size: Approx. 325x70mm / 12.8x2.8in Product Weight: Approx. 37g / 1.3oz Package List 1 x Swing Correcting Arm Band Please allow 1& 8209;2cm error due to manual measurement. Thanks for your understanding. 1Nylon Material: Using high quality nylon material, the swing correcting arm band is durable to use, which is perfect for practice for a long time. 2Effective Swing Posture Corrector: The swing practice band has good texture and high elasticity, which can effectively correct the swing posture and ensure the correct swing track. 3Comfortable And Wear Resistant: The golf swing training aid is ergonomically designed and comfortable to wear. And because of the firm stitches, it has excellent wear resistance. 4Foldable And Universal Design: The foldable design makes the swing correcting band very convenient to carry and store. The size is 325x70mm / 12.8x2.8in, one size fits most. 5Perfect Golf Accessories: After hard practice, the muscle will keep the training memory and perform the perfect posture even after the product is removed, it is a perfect training tool for golf beginners.