These extremely durable golf tees are great for golf and the planet. Thanks to being constructed from biodegradable materials including the packaging, so are completely enviormentally friendly. The packs are available in different heights and colours to seperate: 27mm, 31mm, 37mm, 43mm, 51mm (These packs have x 20 tees per pack). Plus 53mm, 67mm (These packs have x 15 tees per pack).