C4+ White Gloss Padded Bubble Envelopes (Qty 100) 240mm x 340mm1 2 day delivery as standard on this product Gloss White padded bubble envelopes come in 3 sizes. This C4+ White padded envelope measures 240mm x 340mm and this is the internal measurement, its also designed to fit A4 brochures and other materials of similar size. This is designed to fit medium sized products like jewellery, documents or brochures. We can make bespoke size coloured padded envelopes and also print onto them. For more details please