Size: include 4 different sizes, the diameter is approx. 50 mm/1.97 inches, 40 mm/1.57 inches, 32mm/1.26inches and 24 mm/ 0.95 inches, you can use it make waves, retro rolls, air bangs and other shapes for your bangs or hair tailsPackage includes: include 4 different sizes for jumbo, large，medium, small and mini in bright random colors, come with 48 pieces self grip rollers, 12 pieces black duckbill clip.Convenient & Effective: the duckbill clip can help you to achieve an even more secure hold, place a clip through the roller's edge, allow you use it when you're cooking or running and exercisingEasy to use: These hair roller are lightweight and easy to use. Pick a small section of slightly damp or dry hair, place the end of hair section around roller and wind up to scalp, thoroughly dry hair naturally or with a blow dryer, gently unwind roller from hair and style as desiredMulti-function Hair Roller: These hair styling curlers can help you to finish your hair styling during your daily makeup, facial care and sleep time. Help you to save your time in daily life. Also a great hair roller for bangs.