CHECK GRIP SIZE BEFORE YOUR PURCHASE -- Please kindly check the golf club grip size before your purchase. Golf ball suction cup apply to 1.06 inch (approx) diameter golf grip. This looks tightly designed to prevent the end of the grip from being detached from the grip. Made from rubber to ensure high durability. Soft and flexible. Strong enough to use it for a long time. EASY TO USE -- Golf ball picker upper for putter easily attaches to the end of a putter grip. Simply press it on the ball when it goes in the hole and the ball will stick to the putter sucker,to pick up the golf balls without bending down and it's unique suction-cup design do the work for you.Eliminate your back stress. NO NEED TO BEND -- With this golf ball grabber never bend over to retrieve your ball again. The countless back aches on the green are over! This revolutionary product well considers your emotional as well as physical needs.With the ball pick-up, ease the workload in the field that would be used for getting some points. PORTABLE &PRACTICAL -- Well-built golf ball suction cup tool: the thickened rubber allow you to easily get your golf ball back from ponds, bushes or mud without cracking.The golf ball pick up is a light-weight item,ergonomic golf ball portable putter grip tool. A THOUGHTFUL GIFT FOR GOLF LOVERS -- golf ball retriever will be one of your best choices. Gift for golfers young and old,the ultimate ergonomic golf accessory for seniors,great gift idea for the golfer in your life. Gifts for father's day, valentine's day, birthday, or party.If you have any disappointing part, after-sale team will solve your problem and provide satisfied service within 24 hours. Material: Plastic. The outer diameter of the suction ball end is 50mm, and the inner diameter is 39.1mm. Grip end outer diameter 27.5mm, inner diameter 23.5mm. Height 45.5mm and weight 26.5g.