Anal Lube Mega Pump 3.4 Oz Natural. Doc Johnson's bestselling Anal Lube just got better! Our new airless pumping system ensures that you don't waste a drop! By pumping from the very bottom of the bottle, every drop gets used - promising that you get every bang for your buck! Airless pump, 3.4 oz. bottle, Petroleum-based (should not be used with condoms), Made in the USA.