Shop Everyday › O.WKs. 30-pc #10 Security Envelopes Boxed Image 1 of 1 O.WKs. 30-pc #10 Security Envelopes Boxed CA$2.99 Get notified by email when this product is in stock. Add To Cart Added! You Might Also Like SMALL SIZE CORRUGATED MAILING BOX CA$3.99 O.WKs. 6-pc 6"x9" Kraft Envelopes Peel & Seal CA$1.99 O.WKs. 40-pc #10 White Envelopes, Boxed CA$2.99 O.WKs. 4-pc 10x13" Kraft Envelopes Peel & Seal CA$1.99 O.WKs. 60-pc #8 Security Envelopes, Boxed CA$2.99