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A pack of 100 x Size G (JL 4) Jiffy Airkraft Bubble Padded Envelopes Postal Mailing Bag.
These a4, c4 Large size Jiffy Padded Envelopes bags are equivalent to mail lite / featherpost size G - the internal measurements of each envelope are 240x320mm. Classed by Royal Mail as 'Large Letter' size.
A pack of 100 x Size H (JL 5) Jiffy Airkraft Bubble Padded Envelopes Postal Mailing Bag.
These Extra Large size Jiffy Padded Envelopes bags are equivalent to mail lite / featherpost size H - the internal measurements of each envelope are 260x345mm. Classed by Royal Mail as 'Parcel' size.