This product is excellent for people with wide nails because they have more variety of nail sizes, including wide thumbs if you need them. If you do not have wide nails you can still use the smaller strips and even cut the larger strips with our Resizing Template to get use out of the full strip. They are expected to last 10-14 days without a top coat. (We always recommend using a top coat). This sheet is considerably larger than our standard size sheet and comes with 20-22 strips.