Most affordable hair curlers you may find anywhere for home hair curling :)1) Very affordable and good quality foam/flexi rod hair curlers.2) Very easy to use and does not require much effort. (you do not need someone else to do this for you)3) Takes minimum time depending on the type of curls you require for your hair. Like in 20 minutes you can get soft and light curls where as in 4-5 hours,you will have good-big curls. (if you have naturally wavy hair like mine)4) I have tried this with slight wet hair, without any hair mousse or hair spray and the curls lasted for a whole day.5) I have never tried to sleep in with the curlers on, nor I may do this because I do not think it would be comfortable to do so. Plus I get desired result for using it just 20 mins ~ 4 hours depending on the occassion.6) If you are looking for a "HEAT LESS METHOD" which is suitable for home hair curling and not do any harm to your hair whatsoever, GO BUY THESE FLEXI-ROD HAIR CURLERS.I HIGHLY RECOMMEND!