PROluxe Heated Rollers are designed for long lasting, salon quality results. Heating up in 90 seconds, with Grip Tech coating to prevent hair slipping, curls will set in 5 minutes. With 8 medium (25mm) and 12 large (32mm) velvet flocked rollers you can achieve the perfect bouncy curls. Rollers are housed in a beautiful case for easy storage. OPTIheat technology heats up both the rollers and clips to ensure curls are set in place in just 5 minutes for faster, more efficient styling.