This is for 1 gallon, 2 gallons or 3.5 gallons of pine bark mulch. Free shipping. All 100% pine bark. Pine bark is a slow decomposing mulch that adds beneficial nutrients to plant beds as it ages. Great for water retention and as a weed barrier. This listing is for 1 gallon @ $16, 2 gallons @ $26 or 3.5 gallons @ $36. Shipped in USPS flat rate priority envelopes or boxes.