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Pro Has a 10-year limited warranty
You'll get a 10-year limited warranty so that if you find any defect in the materials they used or any fault in the workmanship, you can either have it replaced or repaired.
Pro Smart shipping technique
They have a patented compression system that reduces the size of the mattress, to fit to a smaller-than-expected box. This is what you'll get when you see the mattress arrive to your front door.
Pro Has a comfortable memory foam mattress
The 6 inch memory foam mattress molds to the shape of your body, so that the heavier parts of your body sink deeper and are well supported.
Con 6 inches of memory foam may not give you enough sleep satisfaction
Although comfort can be subjective, a 6-inch memory foam mattress may be a bit too firm for some people. If you're used to sleeping on soft beds, you may want to choose a thicker foam or something with added layers. With Zinus, I believe you can choose from 6 inches to 14 inches.
The 6 inches only gives you 1.5 inches of memory foam and 4.5 inches High-density base support foam, so it can feel a bit hard on the back. The 8 - 12 inch mattresses has thicker memory foam, plus they also have pressure relieving comfort foams. The 14 inch mattress has all of the above, plus an air flow and base support foam, which can probably be more comfortable for some.