Amazon Basics Memory Foam Mattress, Medium Firm, 8 Inch, Twin youth-bed Laboratory-certified H2Pro® liquid-proof membrane is

Laboratory-certified H2Pro® liquid-proof membrane is quiet and breathable

Shipping Dimensions of full bed mattress : 32"L x 15"W x 15"H

Tiny holes move hot air and body heat away

All in one bedding essentials kit

Dense foam provides supportive comfort on this padded headboard

Amazon Basics Memory Foam Mattress, Medium Firm, 8 Inch, Twin youth-bed Laboratory-certified H2Pro® liquid-proof membrane isBrand: Amazon Basics Color: White Grey Edition: Medium Firm Features: General Note: Please allow 24 72 hours for your Mattress to regain its full shape. Any memory foam will expand faster in a warmer room. In cold temperature, at delivery, your mattress may take a bit longer to return to full sized from its compressed state. The expansion time of the mattress will vary as per the surrounding Twin size measures 75 x 39 x 8 inches (LxWxH); mattress