Double Up Food Bucks (DUFB) matches up to $20 in SNAP benefits each market day at participating farmers markets and grocery stores. DUFB can be spent on fruits and vegetables only, specifically any variety of fresh, dried, or frozen fruits and vegetables without added sugars, fats, oils, or salt. Includes mushrooms, cut herbs, and dried beans. SNAP tokens can be spent on all SNAP eligible foods at the market.