Photo 1 of Avenco Cal King Size Mattress, 10 Inch Cal King Mattress in a Box, Medium Firm Hybrid Mattresses with Smarts™ Coil and Gel Memory Foam for Cool Night Sleep & Pressure Relief, CertiPUR-US Certified

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Photo 1 of Avenco Cal King Size Mattress, 10 Inch Cal King Mattress in a Box, Medium Firm Hybrid Mattresses with Smarts™ Coil and Gel Memory Foam for Cool Night Sleep & Pressure Relief, CertiPUR-US CertifiedPhoto 2 of Avenco Cal King Size Mattress, 10 Inch Cal King Mattress in a Box, Medium Firm Hybrid Mattresses with Smarts™ Coil and Gel Memory Foam for Cool Night Sleep & Pressure Relief, CertiPUR-US CertifiedPhoto 3 of Avenco Cal King Size Mattress, 10 Inch Cal King Mattress in a Box, Medium Firm Hybrid Mattresses with Smarts™ Coil and Gel Memory Foam for Cool Night Sleep & Pressure Relief, CertiPUR-US Certified