ChiSip Official Store via Amazon [amazon.com]
has 20 PCS White KN95 Face Mask on sale starting at $6.99 with coupon: ALVN4PQR
. Shipping is Free w/ Amazon Prime or Orders $25+.
50% off code available for all colors: ALVN4PQR
1.Choose 8% coupon on the product page
2.Add the 20-Pack "Color-1" KN95 Face Mask to cart
3.Apply 50% off promotion code ALVN4PQR during final checkout
4.Your total should be $7.55