BG (France) Mouthpiece Patches Our Price (excluding vat): £4.25 (£4.99 Including VAT at 17.5%) Size & thickness? A10 small 0.8mm blackA11 small 0.4mm transparentA14 small 0.3mm blackA10 large 0.8mm blackA11 large 0.4mm transparentA14 large 0.3mm black