Simmons Beautyrest Black C-Class Medium Twin XL 13.8" Mattress - 700810016-1020 Gadgets f = 24 - 70

f = 24 - 70 mm 35 mm equivalent value (still image 4: 3 o'clock)

Ultra-durable

Swivel +/- 280 degrees

Clean cable solution

Simmons Beautyrest Black C-Class Medium Twin XL 13.8" Mattress - 700810016-1020 Gadgets f = 24 - 70Sleep technology meets perfect Luxury Distinctive appearance. Highly sophisticated engineering. Unparalleled cooling and comfort. World's Premier Support System. Tripled. T3 Pocketed Coil Technology; found only in Beautyrest Black; is three steel strands wound into one coil to absorb energy; reduce motion and provide exceptional resilience for support; durability and undisturbed sleep. Feel Cooler; Sleep Better Our most advanced cooling technology