1. High quality: Our cash envelopes are made of durable thick kraft paper, which is stronger than regular envelopes and can hold cash or receipts. 2. Perfect Size: This set includes 50 cash envelopes measuring 6.7 x 3.5 inches, sufficient in quantity to help you track your budget. 3. The cash deposit envelope includes a space for writing dates, descriptions, amounts added or spent, and balances. 4. Self adhesive sealed envelopes: Each cash delivery envelope comes with double-sided tape, eliminating the need for additional tape to ensure the safety of all your valuable items.