I admit, when I first saw this product was so excited! I bought three sets immediately; a patterned set, a glitter set, and a solid color set. I tried all three sets, back to back to back. NONE lasted more than a week, and the glitter set didn't even last a DAY!! After I removed the final set I noticed my nails felt much thinner and extremely weak. I chalked it up to the prepping I had to do before applying each set (the filing and buffing). However, a few days later, my nails started to peel!! I have NEVER experienced this in all my life! I have no doubt that the condition my nails are in now, is a direct result of this product. As "cool" as they appear, they are not worth the damage they have caused. I can see a distinct line in my nail bed from where the strips were applied and where my new nails are growing in. Thankfully, my new nails appear to be their healthy normal selves. Some friendly advice, DO NOT buy this product, unless you don't mind having to deal with peeling. ultra thin, weak nails. IN which case... buy a bunch.