Walmart offers the Soo Ae Collagen Essence Face Mask 4-Pack for $9.88. Opt for in-store pickup to avoid a $5.99 shipping fee. That's $2.47 per mask and a $3 savings. It includes the Deep Sea Water Collagen Essence Mask, Propolis Collagen Essence Mask, Tea Tree Collagen Essence Mask, and Green Tea Collagen Essence Mask.