Walgreens[walgreens.com] has 90-Count DenTek Triple Clean Floss Picks on sale 3 for $3 (270-Count Total) when you 'clip' the $2 coupon on the product page or in-cart. Select free ship to store where available, otherwise shipping is free on orders of $35 or more > Shipping is free by applying coupon code FREESHIP in cart. - Thanks iDeal24!
Note: Must be logged in to clip coupons. Coupons are typically limited to one per account.