* 25% off discount is valid on the purchase of Cooling Copper Swirl Convoluted Memory Foam Mattress Topper, Cooling Copper Convoluted Memory Foam Mattress Topper and Antimicrobial Copper Memory Foam Mattress Topper on Zinus.com only. Prices reflect discount. No promo code needed. Offer valid from 3/19/20 at 12 am PST to 3/30/30 at 11.59 pm PST while supplies last on Zinus.com only. This promotion cannot be combined with other offers. Discount cannot be applied to previous purchases and/or redeemed for cash. We do not price match based on any sales/promotions being offered by other retail partners. To prevent fraud, Zinus.com reserves the right to modify, cancel and limit the promotion at any time.