Indigo® DL White Window Envelopes - Peel & Seal, 100gsm, 110 x 220mm - Strong Self Seal Business Envelopes for Letters & Invoices - Pack of 100

✅ Peel & Seal Closure - No moisture required; quick, secure, and tamper-resistant seal keeps contents safe. ✅ Clear Window Panel - Ideal for sending invoices, letters, and business correspondence without the need to hand-address. ✅ Standard DL Size 110 x 220mm - Perfect fit for A4 sheets folded into thirds, commonly used across offices, schools, and home admin. ✅ Great Value Pack of 100 - Bulk pack ensures you stay stocked up for everyday mailing and business use.