The Mia Beauty Tonyrollers are lightweight and comfortable self-gripping hair curlers that create soft, voluminous curls. Simply gather a section of damp hair, roll the Tonyroller upward until secure and repeat this process all curlers are in place. That's it - No pins required! The self-adhesive "hook and loop" rollers keep curlers in place. There are 4 curlers per pack - 2 medium sizes (1.25" diameter) and 2 large sizes (1.75" diameter). Both sizes are 2.5" long. Smaller curler can stored inside the larger size for compact storage. Set comes packaged in a hanging window box measuring approximately 2.5" x 2" x 4.5". Instructions for use are located on the back.