OXO Good Grips Silicone Drain Protector for Pop-Up & Regular Drains 4.2 out of 5 stars 6,886 3 offers from $8.59 source https://www.amazon.com/OXO-Silicone-Protector-Pop-Up-Regular/dp/B00OCEBMFM/ref=zg_bs_1063236_28/144-9792407-1147240?_encoding=UTF8&psc=1&refRID=QPB03WJM615Z2W31GS3R
