120cm x 30cm for the large mat or 120cm x 15cm for the smaller mat, and 120cm x 7.5cm for the smallest mat.
Javis MAT 6 - 1 x 1200mm x 150mm Extra Fine Tarmac Ballast Underlay Roll Mat T48
Javis MAT 5 - 6 x 1200mm x 300mm Extra Fine Tarmac Ballast Underlay Roll Mat T48
Javis JMAT5 1200mm x 300mm Extra Fine Tarmac Ballast Underlay Roll Mat UK2ndPost
Javis extra fine Ballast & Tarmac Underlay Mat railway scenery.
Javis MAT85A 150mm x1200mm Extra Fine Tarmac Ballast Underlay Roll Mat Tracked48
Javis JS85 Extra Fine Tarmac Ballast No 85 Scenic Scatter New Bag - 2nd Class Po
