Why Does My Purple Mattress Smell?

Why Does My Purple Mattress Smell? You can expect some off-gassing from Casper mattresses, but the odor typically dissipates within 24 hours. Purple mattresses consist of an elastic polymer grid layered over CertiPUR-US certified polyurethane foam. New Purple mattresses may have a very faint off-gassing smell that fades quickly. Why purple mattress is bad? When