Earthborn Claypaint - Riverbank (100ml Sample) Sizes 100ml Sample Tester, covers around 1m² (approx.) £3.75 + VAT 2.5 Litre Covers around 25m² with a single coat (approx.) £44.17 + VAT 5 Litre Covers around 50m² with a single coat (approx.) £79.58 + VAT