In addition, Theo says it will donate as much as 20 percent of overall revenues from its 65% cacao Congo Vanilla Nib and Congo Pili Pili Chili bars to ECI. Priced at about $5 for 3 ounces, they are a sweet (and in the case of the Pili Pili bar, seriously spicy) deal at Whole Foods, REI, and other retailers.