All Board Envelopes C5 White 229 x 162mm Units:500 Units Fire rating - 21A

Fire rating - 21A

Its layered construction—Astro Bubble laminated to LDPE film and simulated paper—ensures greater strength

Variable-depth multi-scores provided at 9"

10"x8"x6" (254x203x152mm) Internal Dimensions

All Board Envelopes C5 White 229 x 162mm Units:500 Units Fire rating - 21AC5 A5 white 'all board' envelopes, measuring 229x162mm. These envelopes feature board on both sides, offering additional protection for important documents, photos, and items during delivery. Made from high quality materials with a thickness of 500mu, they provide a professional look with a pristine white finish. Classified as 'Large Letter' by Royal Mail, these envelopes are ideal for sending documents through the post or by courier, ensuring they