Premium quality, firm, high density, closed cell foam blocks for fly tying and making foam cylinders. 
 
30% higher density than industry equivalent material, for best results use Upavon Gunville Foam Cutters.
 
Available in 10 vivid colours.
Dimensions: L 15cm (~6") x W 7.5cm (~3") x D 2.5cm (~1").
Also available in HD Foam Sheets
Manufactured in the UK.