Arctus Twin XL Mattress, 6 inch Memory Foam Mattress in a box for Pressure Relief, Medium Firm HQST Solar Self-Heating Function: The intelligent self-heating

Self-Heating Function: The intelligent self-heating function will start operating automatically once the battery’s core temperature drops below 41°F (5°C)

SynthoSpace Gel Memory Foam Mattress

Versatile Application Range: Suitable as deep cycle marine battery

Cal King Mattress: 84"L x 72"W x 8"H

10 year 90% output warranty

Arctus Twin XL Mattress, 6 inch Memory Foam Mattress in a box for Pressure Relief, Medium Firm HQST Solar Self-Heating Function: The intelligent self-heatingMEDIUM HARDNESS: Arctus Memory foam mattresses are moderately soft and firm, providing both good support for all parts of your body and a soft touch. CertiPUR US Certified: Arctus mattress is CertiPUR US certified and OEKO TEX certified, so you can use it with confidence for both adults and children. BRINGS COOLNESS AND DRYNESS: The addition of gel gives the mattress an extra touch of coolness, making you feel soothed and dry even on hot summer days.