We have a range of polystyrene discs / circles available. These range in diameter form 50 mm ( approx 2 inches / 5 cm ) to 380 mm (38cm / approx 15 inches ) , and you can select thicknesses from 12mm ( approx 1/2 inch ) to 150 mm. ( approx 6 inches ). Also in foam / styrofoam.
White Styrofoam Foam Disc - 10
Juvale Designed for Modern Living
Craft Foam Disks, White Circles for Arts and DIY Crafts (10 x 2 in
LINASHI 4/6/8inch Foam Circle Polystyrene Foam Disc, Round Craft
5in Round Polystyrene Foam Disc DIY Craft Supply Cake Dummy Model
Craft Foam Circle Polystyrene Foam Disc Foam Round Pack, foam, white
White Bead EPS Foam Disc 6x1'' - The Compleat Sculptor
12 Pack 8 White StyroFoam Disc, DIY Polystyrene Foam Craft
Polystyrene Discs / circles for craft. Foam and styrofoam discs
Craft Foam Circle Disc
Juvale Designed for Modern Living
FOAM CRAFT DISC. Quantity: 30 discs. Diameter: 8 inches wide, 1 inch thick. White Smooth Foam disc. Each disk is made of Expanded Polystyrene (EPS).
Foam Craft Disc 8 Inch Styrofoam Disk for Art & Crafts (30 Piece Set)