Strata 58cm Large Rectangle Plant Trough, Grey Pewter Effect. Introducing the Strata Large Rectangle Plant Trough, a perfect blend of style and functionality for your plants. Sankey Milano Trough Pewter offers a contemporary style with a hand-painted pewter finish. This durable plastic plant trough is suitable for both indoor and outdoor use, is frost-proof, and made in the UK from recycled materials. It is also fully recyclable. Please note that due to geographical locations, delivery is not available to the Isle of Wight, Isle of Man, and Ireland.