Ideal ties for any water sport activity, UV, weather and salt water resistant, strong yet elastic which makes it able to grip the item being tied and does not crush. Capable of stretching to twice its own length. Uni-tie is re-usable making it a very environmentally friendly product. You are buying a pair of uni-ties, each uni-tie is 240mm length x 15mm wide and has a breaking strain on a pull test of 9kg or 21 lbs. There is a choice of colour between yellow or black.