"Add an extra layer of comfort to your bed with the Lavio Luxury Dual-Layer Memory Foam Mattress Topper. Designed to sit neatly on top of your mattress, this 8cm topper combines supportive foams with breathable, hypoallergenic materials to help you settle in more comfortably night after night. Built with a dual-layer structure, it pairs 3cm gel memory foam with 5cm comfort foam to relieve pressure and distribute weight evenly. A soft knitted polyester cover finishes the topper with a clean look, while a U-shaped zip allows the cover to be removed. For a secure fit, the non-slip base features 3D dots and elastic corner straps to help prevent shifting, sliding or bunching during sleep. Key features 8cm dual-layer design: 3cm gel memory foam plus 5cm comfort foam High density dual-layer memory foam filling Breathable, anti-allergic and anti-slip features Removable knitted polyester cover with U-shaped zipper Non-slip base with 3D dots Elastic corner straps to help keep the topper firmly in place OEKO-TEX and CertiPUR-US certified materials Delivered vacuum packed; allow 48–72 hours to fully expand before first use Dimensions Double: 135cm x 190cm King: 150cm x 200cm Please note: Colours shown are as accurate as possible, though may vary slightly depending on your screen settings."