Home Slickdeals Liquid Proof Mattress Protector: Queen $10.50, King $12.50, Full $9.40 + Free... Slickdeals Liquid Proof Mattress Protector: Queen $10.50, King $12.50, Full $9.40 + Free Store Pickup By ARCOM - 9 March 2019 135 0 SHARE Facebook Twitter Go to the deal page: Liquid Proof Mattress Protector: Queen $10.50, King $12.50, Full $9.40 + Free Store Pickup