Velcro Sleep in Rollers new Sleep In Rollers hairdryer hood simply plugs onto the end of your hair dryer & allows the hairdryer to set your rollers. Hot or cold air will circulate in the Hairdryer Hood to set your Sleep In Rollers. Setting your Sleep In Rollers will provide a more enhanced finish for bigger hair in less time. The hairdryer hood comes in the original pink Sleep In Roller drawstring bag for easy storage & making It Ideal to take to girly sleep overs.