Two sets of 5 MDF concentric rings. The largest ring is 65mm, the smallest, 33mm

Perfect for doodle buttons and bottle cap buttons.

Pack contains 10 rings:

• 2 x 33mm
• 2 x 42mm
• 2 x 50mm
• 2 x 58mm
• 2 x 65mm

(measurement approx and for outer edge)