I can't say it enough! It works as described. My sheets are sleek and don't shift. We love the bed to be nicely done when we go to sleep and this makes the morning process of making our bed so much easier.

These straps are thicker and get tighter than the previous ones I had. However, you do need to flip your mattress against the wall to install the straps. Biggest problem, the buckles do not hold tight. I solved that problem with paper clamps. I got the straps as tight as they could go and put a clamp in to keep it from loosening. All of this took me one hour and I burned 600 calories. No need for the gym today. I'm sure next time will be easier"¦..I do like the button style fasteners over the alligator clamp style on the previous straps. Much easier to pull tight and fasten at the same time. I'm ordering another set because I believe 6 straps are needed. 3 vertical and 3 horizontal.

*I have a tempur-pedic mattress so it may add to the difficulty but don't be fooled. You need two people for sure. I'm in great shape and it got my heart rate up to 165.

*UPDATE 4/3/22: the straps are still holding tight! All I do is smooth out the spot I slept in (very easy). Then when I hit the button to flatten the bed out (I have an adjustable base) the fitted sheet and the mattress protector go completely flat. I haven't had to change the sheets yet. I'm curious to see if the fasteners damaged the sheets at all. I mean it is holding TIGHT. You can see where each strap is just by looking at the mattress. I will update again when I change the sheets. So far, so good. Couldn't be happier compared to my previous clamp style that wouldn't hold tight at all. The first picture is after sleeping on it all night. Second is after gently smoothing out and pressing the button to flatten out the bed. Mine naturally wrinkles some because I adjust the top and bottom of the base up some. Also of note, I did order more straps and did 3 horizontal and 3 vertical. It definitely needed more than 4 straps. Order 2 boxes and save yourself the hassle of ordering another and having to put the bed up against the wall and reposition all of the straps to fit the 2 more.

I can't speak for everyone, but this works great to keep the mattress protector pad tight on the mattress.

These work well with my full size mattress. They are a bit tricky to attach so I only use 3 of the 4 straps, 2 from head to foot and 1 across. My sheets aren't perfectly taut in the morning, but they're MUCH tighter and more flat than without the straps.

To attach the first time, I put on the fitted sheet as usual then clipped the first strap about a third of the way along the top edge of the sheet. Then I pulled the strap diagonally to the side and walked along the side of the bed to the foot. I stretched and shortened the strap to how tight I though would be ideal and then slightly lifted the mattress and slid it under the side and to the foot where I wanted to clip it, around a third of the way in from the side edge. I repeated this process for the second clip on the opposite side of the bed (from head to foot). For the third clip, I started by laying the strap on top of the mattress to gauge the right length but left it longer than ideal just so I'd have enough length to push it as far under the mattress as possible. I clipped it to the sheet around midway from the head end of mattress to the foot of it but slightly closer to the head as that's where I get the most bunching. Then I pushed the strap as far as my arm could reach under the mattress. From the other side, I lifted the mattress and leaned under it to grab the strap. From there, I stretched and tightened the strap the rest of the way to ideal and clipped it to the sheet.

After that first time, it's much easier to detach and reattach the clips. I don't wash the mattress cover every time I change the sheets so those weeks, I attach the clips to the mattress pad. When I do wash the mattress pad, I have spindles on my head and foot boards and clip the straps to the spindles. I leave the strap that goes across the bed underneath the mattress but it's not to difficult to reach under and grab the ends when the sheets are clean and ready to go.

Reading all the reviews where people struggle to use these clips, I was hesitant that they be a bigger pain than they were worth, but I didn't find it nearly as challenging as I expected. Yeah, it takes longer than just putting on the fitted sheet and being done, but they save so much time every morning when I make the bed and I don't have to retuck the sheets along the sides, head and foot. Plus the sheets look great even first thing when I get out of bed. To me they're 100% worth the extra time and effort when I change the sheets. If these ever lose their elasticity or the clips break off the straps, I will mend or replace them for sure. I love these things!

Even though they're a challenge to use and the sheet isn't perfectly taut in the morning, I'm giving these 5 stars because I can't imagine anything that would be easier and have the same smoothing and tightening effects. To me, the "faults" are not in the product or their design but simply in the nature of my sheets and my slippery mattress pad.

I bought these for 2 different beds. they work perfectly. they make the sheets super tight and they won't move.
they are not the easiest to install, especially if you have a king-size bed. once I installed them, I clip them to the mattress pad when I remove the sheets for washing. If not, they will slide under the mattress and then I have to fish them out. but once you find your system, they are well worth it.