Quality UK Branded Self seal air bubble bags are either boxed in 200's for the smaller sizes, 100's for the main sizes and 50's for the largest padded envelopes. FSC guaranteed paper, outstanding quality and Manufactured in the UK means you can be confident of a continued supply of the very best padded envelopes in the market. With the lowest prices on the web and no next working day delivery on no orders received before 2pm and Pallet orders no delivery 2-3 days from our huge warehouse, start buying UK Branded from only £3.25 per 100.