C4+ Eco Friendly Recyclable Black Padded Envelope 340mm x 240mm (Qty 100)1 2 day delivery as standard on this product Made from a recycled, recyclable and biodegradable material makes them the eco friendly alternative to the common padded jiffy bag but with the same amount of protection. Made from a unique corrugated material provides them with a durable and impact resistant mesh keeping your marketing materials safe. Now available in a sleek & modern black finish in C4+ A4+ sizing. Measurements displayed are all internal.