Simple plastic drinking straws were the original tools to use for creating these tight, shiny, charming ringlets. This is why Strawllers was invented. They are the longer versions of traditional plastic rollers which gives the effect of ringlets in the hair. Strawllers comes in five sizes depending on the type of curl you are looking for. They are color coded to help make it easy. Pink is the tightest curl and green is the largest. Strawllers is also proven to last even through 1 week of working out.