Cork Expansion strips are 1m long and available in various sizes; 8x12mm, 10x10mm, 10x14mm and 12x22mm. The 8x12mm and the 10x10mm strips are supplied in boxes of 80. The 10x14mm strips are available in boxes of 64. The 12x22mm strips are available in boxes of 30. Buy 1 box and receive a 10% discount, buy 3 boxes and receive a 20% discount.