I had waited a couple years before I made my purchase, until I saw many posts of people using peel and stick and their positive comments. I was hesitant if I would be getting over my head with this DYI project. I am notorious for starting something and then needing my husband to help measure, or cut, or something! I decided to look into the various type of materials and styles. I really liked the white subway tile but thought it may be too modern for my 70's kitchen. I decided to go with this Mediterranean colored tile to transition my white and blue chalkboard cupboards. I like the warm colors. There were no issues with the 3 packs that I bought matching. I first measured my area and found that the 12x12 size would work best. I ordered extras just in case I had trouble sticking or cutting them. I wiped my walls down with a damp wash rag with dawn dish soap. Then went over it with paper towels doused with rubbing alcohol. Then without taking off the plastic I did a mock run and hung them up with masking tape. Like, I said I'm not too great with math and doing this I could visually see if I would have enough to fit. I lined them up how they would be placed to see if I actually liked what I was looking at. Then I worked block by block, and placed them down by slowly taking off a bit of the backing, and then sticking and peeling more of the backing as I lined it up and pressed down. If I needed to cut out around a light plug. I used a sharpy and made my mark on the plastic covering, and used a very dull Exacto knife. Then I went back and only needed 2 inches of the tile to add, so I made my mark again and cut this with a scissors. ( easy peasy) I did make a few dumb cutting mistakes with the pattern, so I was VERY happy to have bought an extra box. OH! I did do the 24 hour test to see one worked. The block did not fall down, so I proceeded. However....I didn't do the test behind my stove... There were a few places that gave me trouble behind the stove. This had NOTHING to do with these peel and stick tiles. It had to do with the user ( me ) being lazy and not cleaning the grease off the wall as good as it needed. 3 had come loose and flipped down. This is NOT what you would read in the DYI home books, but I took out some Aeene's Original Tacky craft glue and put a bit on the paper and stuck it back in place. Much better! It's been only over a week, so it's difficult to say if there will be more issues with any other areas. I've included pictures of my before and after. When you only have a budget of a couple hundred dollars instead of thousands of dollars for a remodel, this may be just what you need to add a change for under $100.00. I felt like these were very good quality. They weren't super thick to give you a problem cutting, but they aren't flimsy like paper and have some weight to them to make it easier to place than wallpaper.