Sweetnight is a mattress and sleep solutions company that provides premium products to ensure a great night's sleep.We are committed to maximizing sleep comfort so you can relax and feel rejuvenated the next day. The Stratos Mattress is a luxury hybrid mattress made with multiple layers of foam and pocketed coils.It offers a great combination of support and pressure relief. Why Should You Choose Sweetnight Stratos Hybrid Mattress? - Cushioning to relieve pressure points -The extra euro top layers to enhance the cushion of a mattress, help to relive pressure. - 3-zoned pocketed coil support core - 3 zone independent pocketed spring design ensures that your body weight is evenly absorbed and distributed comprehensively from head to toe throughout the mattress. Also provides the targeted support to your body. - Buy with Confidence This mattress comes with a 10-Year Warranty.If you feel the mattress isn't the ideal fit for your needs or you have any questions about the mattress, just let us know and we'll help you out. What is in the box? 1x Sweetnight Stratos Hybrid Mattress 1x Sweetnight Opener 1x Manual & Warranty Card Note: - Please allow 48-72 hours for your mattress to regain its full shape.The rate of expansion is related to the temperature of the room.Most memory foam mattresses will expand faster in a warm room and will take longer in colder temperatures. - It's normal that there is an odor after unpacking the mattress.Place the mattress in a ventilated space for a few days and the smell will gradually disappear.