The Lumex® Foam Mattress Extensions provides the ability to convert an 80” mattress to better fit into an 84” bed frame Features: * 4” Foam mattress extension fills the gap when using an 80” mattress on an 84” bed * Hook and loop fastener secures extension to mattress to reduce shifting * Soft and durable zippered cover is bacteria resistant, flame retardant, fluid retardant, anti-static, non-allergenic, stain resistant, and easy to clean * Meets 16 CFR 1633 requirements * Latex Free * Sizes: 4L x 35W x 6D and 4L x 42W x 6D Warranty: 12 Months Cover, 24 Months Mattress THIS ITEM IS NON-RETURNABLE