Amazon's bestselling sheet set with 233,000+ perfect ratings is at its lowest price in history at just $15

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Temperatures are warming up now that spring has arrived, and if you've been sleeping on flannel bedding, now is the time to switch to something more lightweight. The good news is you can upgrade to luxury without breaking the bank.

The CGK Unlimited Queen Sheet Set is the no. 1 bestseller at Amazon that's backed by more than 233,000 shoppers who have given it five stars. Right now, the four-piece set is on super sale for only $15 thanks to an on-site coupon that unlocks a 50% discount that's applied at checkout. This is the lowest price the sheets have ever been, according to price tracker camelcamelcamel, and they are even cheaper than when we covered them months ago.

The set includes two pillowcases, one flat sheet, and one deep-pocket fitted sheet that accommodates mattresses up to 16 inches deep. The strong elastic helps keep the sheet in place all night even if you tend to toss and turn. 

CGK Unlimited Queen 4-Piece Sheet Set, $15 (was $30) at Amazon

These sheets are made of brushed microfiber fabric that's incredibly soft, lightweight, and breathable, making them ideal for warmer months. The brand claims they're "softer than Egyptian cotton and organic cotton," which might be true considering this type of material gets softer after every wash. Just toss them in the washer in cold water with mild detergent (avoid fabric softener and bleach) and dry them on a low heat cycle.

Over 10,000 sets have sold in the past 30 days, and that number will likely increase considering they're on sale at such an affordable price. According to Amazon, people are usually so satisfied with their purchases that the sheets have "fewer returns than average compared to similar products."

"I'm tempted to buy a backup set in case my current ones decide to take a vacation," one reviewer wrote. "If softness were an Olympic sport, these sheets would be taking home the gold every time. They make Egyptian cotton feel like sandpaper (sorry, Egyptian cotton, it's not personal). They've got this magical quality of staying cool while also being cozy. If you want to dive into a bed that feels like a marshmallow paradise and get the best night's sleep of your life, these CGK Unlimited sheets are where it’s at."

We've never seen the CGK Unlimited Sheet Set go on sale at such a steep discount, so this is your chance to stock up while it's on sale for just $15.