This is for 1 gallon, 2 gallons or 3.5 gallons of peat compost. Free shipping. Peat compost is an excellent soil additive to provide fertilizing compost and peat for water retention. This is a blend of composted screened pine and organic peat. It can also be used as a growing medium by itself. This listing is for 1 gallon @ $16, 2 gallons @ $26 or 3.5 gallons @ $36. Shipped in USPS flat rate priority envelopes or boxes.