Capri Comfortable Sleep 12 Inch CertiPUR-US Certified Hybrid Pocket Spring Mattress, Twin Mattress in a Box. Capri Comfortable Sleep Full 10 Inch CertiPUR-US Certified Foam Pocket Spring Mattress & 3 inch Gel Memory Foam Topper Bundle. Spring refresh, home decor, home furniture, home furnishings, mattress, bedroom, bedding. Spring Décor, Fall Décor.