Kohl's offers two The Big One Percale Standard Pillowcases in 14 colors (Gray Triangle pictured) for $17.99. Coupon code "DEAL15" cuts it to $15.29. Opt for in-store pickup to avoid the $8.95 shipping fee. That's $25 off and the lowest price we could. These pillowcases feature a 275 thread count. Deal ends March 23.