Experience the perfect blend of support and plush comfort with the Sersper 12-Inch Memory Foam Mattress, designed to cater to all your sleeping needs. Whether for your primary bedroom, guest room, or vacation home, this mattress delivers a medium-firm feel ideal for diverse sleep preferences, backed by five innovative layers for exceptional performance. Key Features Why Choose Sersper? Transform your sleep with the Sersper Mattress—where advanced design meets unbeatable comfort. Enjoy a risk-free trial (if applicable) and wake up rejuvenated, every single day. Note: Mattress may require 2-3 days to fully expand and air out after unboxing. Size Full: 54"W x 75"L x 12" thick Box:19"*19"*31" Queen: 60"W x 80"L x 12" thick Box:20"*20"*34" King: 76"W x 80"L x 12" thick Box:20"*20"*42"