4IN PLUSH FOAM MATTRESS TOPPER: Designed to be placed directly on top of your mattress, this 4-inch foam mattress topper adds a soft yet supportive comfort layer; enhances sleep quality while helping protect your mattress from dirt, pet hair, and everyday wear ADDS COMFORT TO YOUR EXISTING MATTRESS: Perfect for refreshing your current mattress, this mattress topper provides additional cushioning and support to help improve overall comfort; ideal for extending the life of your mattress without needing a full replacement PORTABLE & SPACE-SAVING DESIGN: Tri-fold mattress topper easily folds for compact storage; place into the included carrying case to keep it clean and secure - perfect for storing when not in use or transporting between rooms EASY SETUP & FULL EXPANSION: Unbox in a well-ventilated area and allow the mattress topper to air out; wait 24–72 hours for full expansion and optimal comfort before placing it on top of your mattress SIMPLE CARE & MAINTENANCE: Removable cover can be spot cleaned with a damp cloth using cold water and mild soap; wipe dry with a clean cloth to maintain freshness and extend the life of your mattress topper