Tinksky Golf Tee Caddy Keeper 12 Tees 2 Ball Markers Divot Tool Pencil Set with Keychain Material: Plastic. Length of Tee: Approx. 2 18 inch 54mm. Round Ball Marker Diameter: Approx.17mm. Portable, convenient caddy holds 12 tees and 2 ball markers and keeps them right where you need them. Come with key chain to attach to bag or cart. A indispensable accessory for golfler.