Imprinted Catalog, Booklet & Tyvek(R) Envelopes

First Class Catalog Envelopes feature a Green diamond border to instantly identify mail as First Class, helping to speed delivery. Sturdy 28-lb stock with extra-tough flaps and seams to protect contents against damage due to rugged handling. Minimum order of 500.All-Purpose Catalog Envelopes are available in 3 sizes, from 6in. x 9 up to 10in. x 13in.. Extra-wide seams and gummed flaps keep contents secure. End-opening style. Minimum order of 500.Booklet Envelopes feature White kraft construction with a side-opening design. Full flaps and heavily gummed seams make these envelopes ideal for First or Third Class mailings.Tyvek(R) Envelopes are practically indestructible. Burstproof, waterproof, tearproof - 4 times stronger than regular kraft envelopes. Contents always stay protected. First Class style helps speed delivery.