GSA MULTIPLE AWARD SCHEDULE (MAS) Home - GSA DYEMANSION GMBH Overview:General purpose for acquiring DyeMansion products against Special Item Numbers (SIN) 333249 and 333TOOL. Contact Numbers:47QSMA22D08Q3 Period of Performance:3 June 2022-2 June 2027 GSA Library:Link to GSA Library Points of Contact: Michael SchorrGeneral Manager+1 (914) 409 3724mike@dyemansion.com General Contact: GSA@dyemansion.com