TH Golf x100 Pcs Bamboo Pink Castle Golf Tees 59mm Biodegradable Eco Friendly Sustainable. Length of the castle tee includes the 20mm Spike. This is the standard most popular size of a pink castle tee. Our golf tees are sourced by TH Golf and some of the most strongest bamboo castle tees you can find. Quality is always our priority for our valued customers. TH Golf is the largest supplier of bamboo golf tees in the UK.