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300 Thread Count Waterbed Sheets

Quick Overview

300 thread count Convert-A-Fit waterbed sheets feature a fully elasticized bottom fitted sheet that locks itself to the bottom of the mattress, like a shower cap. These sheets will fit both softside and hardside waterbeds up to 15" thick.

Available in Queen and King size.
only $89.99 all sizes


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Convert-A-Fit means that the same set of sheets will fit conventional mattresses and softsides up to 15" thick or wood frame hardside waterbed mattresses. The waterbed sleeper will appreciate the fact the we overcut and fully elasticize the entire perimeter of the fitted sheet. This allows the fitted sheet to perform like a shower cap by locking itself to the bottom of the waterbed mattress.

We also have the answer to the flat sheet dilemma. Some like their flat sheet to be tucked in but don't like their toes to feel trapped. Some like their flat sheet tucked in but get frustrated when in comes untucked every night. Our Convert-A-Fit design attaches the top sheet to the fully elasticized fitted sheet. We only attach the sheets at the foot of the bed in the middle 18" allowing for proper ventilation.

With so many features in one set of sheets it is no wonder that Convert-A-Fit sheets are a household favorite.

  • 300 thread count sheet set
  • Fully elasticized fitted bottom sheet
  • Overcut top sheet is attached at the center foot of the bed
  • Top and bottom sheets stay neatly together
  • Fits mattresses up to 15" thick
  • Choose from 2 popular colors
  • Available in Queen and King Size
  • Includes top and bottom sheets and 2 King or 2 Queen pillowcases.

Customer Reviews

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King Waterbed Sheets Review by Dave
Outstanding product! That is why I ordered it again!! (Posted on 5/3/2019)
Great quality and fit Review by Roger
Love the softness of the sheets and the way they stay on the bed...have bought them previously and will buy them again in the future. (Posted on 4/25/2019)
comfy Review by catmom
I bought the 300 thread count waterbed sheets. They are so soft and comfortable. I love that they stay on the waterbed mattress much better than regular sheets and that the top sheet isn't becoming a mess every night. Next time I want sheets I'll get them from Boyd Waterbeds. (Posted on 2/27/2019)
Nice Sheets Review by A Rail
Very nice, smooth feeling sheets. Still good after a couple of Use Cycles (wash/dry/use). The fit on a king size free-flow mattress is good. Stays on as well as any other sheets I have tried. Purchased a 2nd set. (Posted on 11/20/2018)
Love these sheets. Review by Mada
Have a hard time finding quality waterbed sheets at a reasonalble price. These sheets definitely fit the bill and they are super comfortable. Love the extra width on the top sheet. I don't have to fight to keep covered anymore. Thanks for a great product and I will definitely come to you first when I need replacements. (Posted on 11/8/2018)
Very comfortable Review by Lady
Very soft and comfortable to sleep on. Bought a second set because of how nice they are. (Posted on 11/1/2018)
Good buy! Review by Suz
Bottom sheet stays on the mattress. It's not an exact fit, but it doesn't come off. (Posted on 10/6/2018)
The set I purchased exceeded my hopes of finally getting something I could find comfortable. Review by Kay
I'm 75 years old and don't have the energy to lift the mattress corners more than once. What a pleasant surprise to discover that the corners stay in place until my next laundry day. (Posted on 7/24/2018)
Great Set of Waterbed Sheets Review by JarHead
I have had my waterbed for 33 years. This is the best set of waterbed sheets I have ever had. The very best parts are the fitted bottom sheet that stay in place and the extra wide top sheet. I wish there were more colors available. I am considering purchasing another set short;y. (Posted on 2/27/2018)
okay Review by riley
The sheets are fine but am very disappointed that the top sheet barely covers to the edge of the bed. It said over sized top sheet, NOT at all, it's smaller than other sheets I've had in the past. I see other reviews about it being wide enough. Did I get a bad set? They are not wide enough at all!!!! (Posted on 2/19/2018)

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