I bought these for our cruise for our 10th Anniversary. I have only worn Windtouch clip ins so far for a couple of years. They are great, but you can’t swim in clip ins and certainly not swim. So I decided on tape-ins. I am wearing 2 boxes of these extensions in my picture. My daughter put them in for me. She has NEVER done this before. We took our time. I peeled off the shiny plastic strips one at a time and handed them to her as she needed them. She quickly presses each set with a small straightener set on low just to make sure they sealed. The results - THEY ARE SO LIGHT! I slept in them very comfortably. So this morning I decided to wash and dry just like my own hair just to see what would happen. It took me an extra 5 minutes to dry them with a hair dryer and a round heat brush. Then I added a little mousse and used a curling iron.Then I went outside where we are having 30 mph straight line winds. My hair STILL looks great! Clip ins wouldn’t even be an option in these winds!I am soooo happy with these extensions!Stay tuned - I will let you know how they do in the Western Caribbean blue waters in a couple weeks!UPDATE: Just finished testing these for 7 days in the Caribbean!! I put my hair in a scrunchy pony tail each day and spent hours sitting in the water at the beach. Hair was fully submerged in salt water. I did the inflatable slides, an ATV tour - these babies held up!!! I washed my hair every day and even wore a helmet comfortably in the ATV tour. The 2nd pic is from the 2nd formal night. My extensions are all there, not loose, and the hair is soft and not split and frizzy!!!I’m gonna buy another set when it’s time to replace. I may never got back to clip ins again! Love these!