Heavy duty board back envelopes in white and manilla, made using 1000 micron backing board and a h...Heavy duty board back envelopes in white and manilla, made using 1000 micron backing board and a heavyweight face paper to ensure protection when posting bendable items. Make a difference to your mail with these Purely Packaging Board Back envelopes by Blake. Heavy Duty Board Back to protect certificates, photographs, prints and more Strong Peel & Seal closure for ease of use, additional security and longer shelf life Printed 'Please do not bend' on the face for extra safety
Blake Purely Everyday - Brown Board Back C4 (324 x 229 mm) - Pack of 125 - Rigid 120GSM - Peel and Seal Hardback Envelopes Manilla - Do Not Bend Envelope - Office Business Supplies (13935)Free delivery in 1–3 days£24.95Visit shop →
Blake Purely Packaging C5 (A5) 229 x 162 mm Board Back Pocket Peel & Seal Envelopes (5112) Manilla - Pack of 125Free delivery in 1–3 days£25.79Visit shop →
Blake Purely Packaging C6 (A6) 162 x 114 mm 120gsm Printed Board Back Envelopes (2112) Manilla - Pack of 250Free delivery in 1–3 days£26.00Visit shop →
Blake Purely Everyday - Brown Board Back 241 x 178 mm - Pack of 125 - Rigid 120GSM - Peel and Seal Hardback Envelopes Manilla - Do Not Bend Envelope - Office Business Supplies (11935)Free delivery in 1–3 days£29.99Visit shop →
Blake Purely Packaging 190 x 140 mm Board Back Pocket Peel & Seal Envelopes (3112) Manilla - Pack of 125Free delivery in 1–3 days£31.19Visit shop →
Blake Purely Packaging C3+ 444 x 368 mm Board Back Pocket Peel & Seal Envelopes (6200) Manilla - Pack of 50Free delivery in 1–3 days£34.07Visit shop →
Blake Purely Packaging 241 x 178 mm Board Back Pocket Peel & Seal Envelopes (6112) White - Pack of 125Free delivery in 1–3 days£38.39Visit shop →
Blake Purely Packaging 267 x 216 mm Board Back Pocket Peel and Seal Envelopes (22935) Manilla - Pack of 125Free delivery in 1–3 days£38.87Visit shop →
Blake Purely Packaging C5+ 240 x 165 mm 120gsm Board Back Pocket Peel & Seal Envelopes (4112) Manilla - Pack of 125Free delivery in 1–3 days£39.59Visit shop →
eBayBlake Purely Packaging C6 (A6) 162 x 114 mm 120gsm Printed Board Back Envelopes
Heavy duty board back envelopes in white and manilla, made using 1000 micron backing board and a heavyweight face paper to ensure protection when posting bendable items. Make a difference to your mail with these Purely Packaging Board Back envelopes by Blake. Heavy Duty Board Back to protect certificates, photographs, prints and more Strong Peel & Seal closure for ease of use, additional security and longer shelf life Printed 'Please do not bend' on the face for extra safety