20% Off Single Color M&M'S at mms.com. Offer valid online only, not valid in stores. Offer expires 8/22/20 at 11:59 PM PT. Offer valid on the Single Color M&M'S category only. Excludes MLB, clearance and sale items. Offer may not be combined with volume pricing or any other promotional offers and may not be applied to existing orders. Offer may be subject to change. Use code COLOR at checkout.