Quality park greeting card/invitation envelope, #5-1/2, 4-3/8″ x 5-3/4″, white, 100/box greeting/invitation cards are ideal for use with computer-generated cards and invitations. Quarter-fold invitation envelopes hold an 8-1/2″ x 11″ page folded into quarters. Redi-strip closure on included matching envelopes requires no moisture to seal. Peel-away strip keeps adhesive free from dust. larger quantity quotes available. Please call 1-888-978-7759. this product arrives to most customers in 2-3 business days.