Window Business Envelopes

Window envelopes are a smart choice for any business that sends letters, invoices or statements. With a clear panel to display the recipient’s address, they eliminate the need for printing or writing labels, helping you save time and reduce errors.

At Envelopes.co.uk, we offer a trusted selection of white window envelopes designed for professional use. Available in standard sizes including DL, C5 and C4, they are perfect for everyday office correspondence and commercial mailing.

Made from high-quality paper for a clean, sharp appearance, these envelopes are ideal for ensuring important documents reach the right recipient with ease and efficiency.

Showing 32 products
C5 White Peel and Seal 100gsm Window Envelope (229 x 162mm)
C5 White Peel and Seal 100gsm Window Envelope (229 x 162mm)
£0.11
Sold Out
£0.11
DL White Peel and Seal 100gsm Window Envelope (110 x 220mm)
DL White Peel and Seal 100gsm Window Envelope (110 x 220mm)
£0.11 £0.13
On Sale
£0.11 £0.13
C4 White Peel and Seal 180gsm Window Envelope (324 x 229mm)
C4 White Peel and Seal 180gsm Window Envelope (324 x 229mm)
£0.63
£0.63
C4 White Self Seal 100gsm Window Envelope (324 x 229mm)
C4 White Self Seal 100gsm Window Envelope (324 x 229mm)
£0.19
£0.19
C4 White Peel and Seal 120gsm Window Envelope (324 x 229mm)
C4 White Peel and Seal 120gsm Window Envelope (324 x 229mm)
£0.41 £0.50
On Sale
£0.41 £0.50
DL White Gummed 80gsm Window Envelope (110 x 220mm)
DL White Gummed 80gsm Window Envelope (110 x 220mm)
£0.10
£0.10
DL White Peel and Seal 120gsm Window Envelope (110 x 220mm)
DL White Peel and Seal 120gsm Window Envelope (110 x 220mm)
£0.15 £0.18
On Sale
£0.15 £0.18
C5 White Peel and Seal 120gsm Window Envelope (229 x 162mm)
C5 White Peel and Seal 120gsm Window Envelope (229 x 162mm)
£0.20 £0.24
On Sale
£0.20 £0.24
DL White Gummed 90gsm Window Envelope (110 x 220mm)
DL White Gummed 90gsm Window Envelope (110 x 220mm)
£0.08 £0.10
Sold Out On Sale
£0.08 £0.10
DL White Peel and Seal 100gsm Window Envelope (110 x 220mm)
DL White Peel and Seal 100gsm Window Envelope (110 x 220mm)
£0.15 £0.18
On Sale
£0.15 £0.18
DL White Peel and Seal 120gsm Window Envelope (110 x 220mm)
DL White Peel and Seal 120gsm Window Envelope (110 x 220mm)
£0.10
£0.10
C5 White Self Seal 90gsm Window Envelope (229 x 162mm)
C5 White Self Seal 90gsm Window Envelope (229 x 162mm)
£0.13
£0.13
White Gummed 90gsm Window Envelope (114 x 229mm)
White Gummed 90gsm Window Envelope (114 x 229mm)
£0.07
£0.07
DL White Peel and Seal 120gsm Window Envelope (110 x 220mm)
DL White Peel and Seal 120gsm Window Envelope (110 x 220mm)
£0.10
£0.10
C5 Brilliant White Peel and Seal 120gsm Window Envelope (229 x 162mm)
C5 Brilliant White Peel and Seal 120gsm Window Envelope (229 x 162mm)
£0.80
Sold Out
£0.80
C6 White Self Seal 90gsm Window Envelope (114 x 162mm)
C6 White Self Seal 90gsm Window Envelope (114 x 162mm)
£0.07
£0.07
DL White Self Seal 90gsm Window Envelope (110 x 220mm)
DL White Self Seal 90gsm Window Envelope (110 x 220mm)
£0.09
£0.09
White Self Seal 100gsm Window Envelope (220 x 220mm)
White Self Seal 100gsm Window Envelope (220 x 220mm)
£0.25 £0.30
On Sale
£0.25 £0.30
C5 White Peel and Seal 120gsm Window Envelope (162 x 114 x 25mm)
C5 White Peel and Seal 120gsm Window Envelope (162 x 114 x 25mm)
£0.33
£0.33
C5 White Peel and Seal 120gsm Window Envelope (229 x 162mm)
C5 White Peel and Seal 120gsm Window Envelope (229 x 162mm)
£0.18 £0.22
On Sale
£0.18 £0.22
C5 White Super Seal 100gsm Window Envelope (229 x 162mm)
C5 White Super Seal 100gsm Window Envelope (229 x 162mm)
£0.16
Sold Out
£0.16
DL White Self Seal 110gsm Window Envelope (110 x 220mm)
DL White Self Seal 110gsm Window Envelope (110 x 220mm)
£0.10 £0.12
On Sale
£0.10 £0.12
C4 White Peel and Seal 100gsm Window Envelope (324 x 229mm)
C4 White Peel and Seal 100gsm Window Envelope (324 x 229mm)
£0.34
£0.34
C4 White Peel and Seal 100gsm Window Envelope (324 x 229mm)
C4 White Peel and Seal 100gsm Window Envelope (324 x 229mm)
£0.23
Sold Out
£0.23
C5 White Peel and Seal 120gsm Window Envelope (229 x 162mm)
C5 White Peel and Seal 120gsm Window Envelope (229 x 162mm)
£0.26
£0.26
DL White Gummed 110gsm Window Envelope (110 x 220mm)
DL White Gummed 110gsm Window Envelope (110 x 220mm)
£4.31 £5.26
Sold Out On Sale
£4.31 £5.26
DL+ White Peel and Seal 100gsm Window Envelope (229 x (115 x 225mm))
DL+ White Peel and Seal 100gsm Window Envelope (229 x (115 x 225mm))
£0.16 £0.19
On Sale
£0.16 £0.19
C5 White Peel and Seal 120gsm Window Envelope (229 x 162mm)
C5 White Peel and Seal 120gsm Window Envelope (229 x 162mm)
£0.16
£0.16
White Peel and Seal 180gsm Window Envelope (220 x 220mm)
White Peel and Seal 180gsm Window Envelope (220 x 220mm)
£0.48
£0.48
DL+ White Gummed 80gsm Window Envelope (115 x 225mm)
DL+ White Gummed 80gsm Window Envelope (115 x 225mm)
£0.09
£0.09
DL+ White Peel and Seal 90gsm Window Envelope (115 x 225mm)
DL+ White Peel and Seal 90gsm Window Envelope (115 x 225mm)
£0.10
£0.10
DL White Peel and Seal 90gsm Window Envelope (110 x 220mm)
DL White Peel and Seal 90gsm Window Envelope (110 x 220mm)
£0.10
£0.10