Polystyrene rings are High Density.
Top quality and ideal for making wreaths and center pieces.
 
These polystyrene rings are half rounded ie flat backed with rounded front so ideal for sticking on card and board or for single sided models.
 
They can be painted or can be decorated with a multitude of craft and modelling materials.
 
The ring measurements are from the outer edge to the outer edge at the widest part of each ring.