You can purchase Raffles merchandise on the Gryphon Shop or Casco Bookstore (RI campus).
Gryphon Shop
https://www.gryphonshop.com/
Casco Bookstore (RI campus)
+65 6354 2871
RI Campus (Year 5-6)
Block B, Level 1 near Porch 4
Monday to Friday, 8.30am to 5.30pm