Box of 20 plastic administrative envelopes Tyvek 250 x 353 mm without bellows

Very large resistance: 100% polyethylene, large density, impenetrable. Completely adapted to documents that need a good protection. Economic: compact, gain of space. Very light (55g/m³), very good ratio between weight and resistance. Save on stamps! Ecological: 100% recycleable. Self-adhesive with protection strip. Dimensions: 250 x 353 mm. Pack of 20.