Teeth Whitening Tray Ultra White 4 Ultra Thin Moldable Teeth Whitening Mouth Trays with Storage Case

Worked like a champ. Follow the instructions; it works. If you didn't get the result you wanted, just reheat the form and retry (I did a few times). Trim off the excess when you're done, and you're good to go!

These whitening trays DID not perform as described. The mold did not conform to my teeth after following all of the instructions with 2 separate sets. Total waste of money. Had to go back to the dentist to get professional molds done. Sometimes there are no short cuts and you get what you pay for. can not imagine who mouth these molds would work or fit in maybe someone with horse teeth!. The trays were so large that even when sized down they scraped my upper gums and lower side gums. I developed blisters as a result. Painful!. Should have charged the company for pain and suffering. Buyer beware of getting harmed!

I mean it was okay, but I'm pretty disappointed that the picture isn't what it really is. I paid $16 instead of $5 because I wanted the better one that was thinner but ended up getting the exact same product as they sell for $5. I paid for the first one, and got the second pic for eleven dollars more.

These trays really don't form well against your teeth. I tried repeatedly to heat them to get a good mold but they never really worked. There are lots of gaps and big spaces in the tray so you would have to use a lot of product to fill the tray before it actually comes in contact with your teeth.They are also very, very short since they shrink a lot after heating. They barely cover my front teeth but nothing on the sides.

The trays are a clear gel type plastic. They are thinner than some and can be worn in relative comfort. Still not quite as thin as one of a white substance that I got from my dentist several years ago. Probably the best available today. You do need to be careful not to overheat it or to wrinkle it while fitting it to your teeth.

These trays are great! Easy and fast to press and mold on the teeth. And they stay put on your teeth. That's a big thing!!I have no experience with trays a dentist use, but I can imagine something similar.

I guess I am one of the few that did not like these trays, at all! While I have used the ultra white whitening gel for years & love it, the original trays were made of a hard, moldable plastic/waxy type of material & lasted for several years. I followed instructions with the new trays, but they ended up flimsy & not fitting close enough to my teeth...which allowed the gel to sit on my gums & literally burn my gums. I even woke up this morning with a very swollen upper lip. And my gums are starting to literally peel. Not. happy. at. all. :(

After trying other whitening systems this one hands down is symply the best.