Groupon discounts the Wexley Home 6-Piece Wrinkle-Free Microfiber Sheet Set in eight colors via coupon code "CLEAR20", as listed below. Each set contains one fitted sheet, one flat sheet, and four pillowcases. Deal ends February 18. The deals, each with $3.99 for shipping:

• Full for $11.99 (low by $11)
• Queen for $14.39 (low by $10)
• King for $15.99 (low by $12)