t e r r i b l e [SEP] these were the worst thing i have ever purchased it only took me once and never againi was staying at home and doing some test on the computer it was hot so i thought i would try and put one of these in my hair yes they goes in easy and neat looking good but when it was time to take it out gosh i thought i was going to have to cut it out now all i did was sit at my computer maybe get up from time to time move around get something to drink or snack on the norm stuff so it should not no how been soooooooooo hard to get out i really do not know what happened but i will never use them again and i threw them suckers away being truthful