*While supplies last. Offer valid with online purchases only with a minimum purchase of $500. Sales tax, shipping & handling do not qualify toward minimum purchase amount. Minimum purchase threshold is calculated after all applicable discounts are first applied to the purchase price. No adjustments on previous purchases or orders in progress. Cannot be combined with any other offer or special pricing. Offer may be cancelled or modified at any time without notice. No rain checks issued. Other restrictions may apply. To redeem online, enter promo code FREEMASKS on the shopping cart page.