C5+ Gloss Blue Padded Bubble Envelopes (Qty 100) 180mm x 250mm1 2 day delivery as standard on this product Gloss Blue padded bubble envelopes come in 3 sizes. This C5 Blue padded envelope measures 180mm x 250mm and this is the internal measurement, its also designed to fit A5 brochures and other materials of similar size. This is designed to fit small products like jewellery, small documents or brochures. We can make bespoke size coloured padded envelopes and also print onto them. For more details please contact