12” Hopetown Hybrid Visco 12” Hopetown Hybrid Visco HOPE-33XL Twin XL Mattress 33XL-BCF King Black Common Foundation HOPE-50 Queen Mattress 50-BCF Queen Black Common Foundation HOPE-66 King Mattress 33XL-BCF King Black Common Foundation Features: Knitted Fabric FR Barrier 1″ 32 Dns Blue Gel Memory Foam 1″ 32 Dns Memory Foam 2″ 24 Dns PU Foam Layer Nonwoven 7″ Pocket Spring System 0.5″ 22 Dns PU Foam Layer Nonslip Free