Medium, Loose curls. Everyday curls for longer hair lengths. Leave tight or brush out for pretty-frizzy texture.The Diamond 25MM & 32MM cool-tip clip-less twisters create large natural curls everyday to loose waves in just minutes. These curls will last you for days without hair spray or any holding products. The clip-less design allows you to easily create smooth and shiny curls without tugging, creaking or creasing the hair. The Diamond twisters have a tourmaline ceramic barrel, that maximizes the penetration of negative ions while avoiding damage. The result, perfectly defined long lasting curls.