Normally $9
Amazon: https://www.amazon.com/gp/product/B002IDZXRM/ref=ox_sc_act_title_1?smid=ATVPDKIKX0DER&psc=1
Walmart: https://www.walmart.com/ip/Finish-Line-DRY-Teflon-Bicycle-Chain-Lube-4oz-Squeeze-Bottle/810953147