The inventory is primarily flowers and concentrates. Offerings include 989 flowers, 409 concentrates, 285 pre-rolls, and 178 edibles. The brand selection here is extensive. Top brands include Insa, Simply Herb, and Bostica among 119 total. KOSA: Recreational Cannabis Dispensary | Marlborough, MA is one of the larger dispensaries in Marlboro, MA. Currently stocking 2039 active products and 119 brands. Walk-in shopping is available at this location. Pricing here lands in the premium range. Products run from $0.99 to $420.00.