Photo 1 of Serta Perfect Sleeper Ultimate 14.5" Twin Mattress - Medium Pillow Top, Cooling Gel Memory Foam, Pocket Innersprings for Motion Isolation, Edge Support, CertiPUR-US Certified - Oasis Sleep

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Photo 1 of Serta Perfect Sleeper Ultimate 14.5" Twin Mattress - Medium Pillow Top, Cooling Gel Memory Foam, Pocket Innersprings for Motion Isolation, Edge Support, CertiPUR-US Certified - Oasis SleepPhoto 2 of Serta Perfect Sleeper Ultimate 14.5" Twin Mattress - Medium Pillow Top, Cooling Gel Memory Foam, Pocket Innersprings for Motion Isolation, Edge Support, CertiPUR-US Certified - Oasis SleepPhoto 3 of Serta Perfect Sleeper Ultimate 14.5" Twin Mattress - Medium Pillow Top, Cooling Gel Memory Foam, Pocket Innersprings for Motion Isolation, Edge Support, CertiPUR-US Certified - Oasis Sleep