Playtex has a BOGO free coupon on coupons.com and King Soopers/Kroger store site. The coupon states you can buy a Playtex product up to $7.99 and it excludes liner 20 count. This sale event Kings has pantie liners for $3.99. If you buy them with the BOGO coupon it makes the liners $1.99 per box.