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With infant bedding, the mattress cover, called the mattresses
"Ticking" predetermines the life expectancy of the mattress.
While the consumer can save fifty dollars by buying your infant's
bedding covered by a single layer of vinyl, the top rated mattresses
covers come with two or three nylon layers. For the most part these
have a stronger gauge nylon bonded to a waterproof material. They
also have a heavy gauge binding which stitches the top and bottom
ticking panels to the panels on the side of the mattress.
By contrast, the a single layer of vinyl does not have the tensile
strength of nylon and will tear more easily. Unfortunately this
attribute seems to worsen with time. The failure mode of mattresses
is the tearing of the cover, generally along a side seam and usually
from bouncing on the bed. ). A child who jumps on the mattress puts
a lot of pressure on the seam and an inferior cover will split.
Look for a mattress with a nylon reinforced cover.
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