Mead Press-It Seal-It Envelopes, 10 x 13 Inches, Office Pack 20 Count (76088) Go to amazon.com Related posts 13 best 10x13 envelopes for 2022 Top 10 recommendation manila envelopes for 2022 FeatureKraft EnvelopesSelf-adhesive sealHeavyweight20 per package DescriptionMead Press-It Seal-It 10 x 13 Inches, Envelopes, Office Pack 20 Count (76088)