Save Time and money Sending Business mail with our # 10 Double Window Security Envelopes Quickly and easily send hundreds of pieces business mail with our #10 envelope design and our easy to use peel and seal flap. Our Peel and Seal flap with low profile window design creates a wide opening so you can quickly stuff several invoices into the envelope. These envelopes prevent invoices from getting stuck during stuffing Once sealed, no adhesive is exposed so you do not have to worry about the envelope sticking to other mail Enough room for return envelopes so you can get paid faster Business mail will be completely secure during transit It can be so difficult to find envelopes that create a strong lasting seal thus forcing you to waste time using glue sticks or tape to close the envelopes. Our Durable #10 envelopes with strong adhesives are designed to immediately create a strong seal so you do not have to worry about your contents being exposed to others. Unlike weak sealing envelopes that allow your contents to fail out and become exposed, So much for a security envelope, Our strong seal will guarantee the safety of your contents. Security with a Professional Look It can be frustrating to purchase envelopes only to find them flimsy enough to have you worried about their durability during transit.24 LB White Wove Paper that creates a professional look and feel from out of the box all the way to your destination
Shipping & Delivery Information
Our Shipping Promise
At Slickpurchase, we understand how important your purchases are. That's why we take extra care with every package we send. All orders are shipped in double-boxes with full insurance for additional protection, ensuring your items arrive safely.
Processing & Shipping Timeline
- Processing Time: Orders are processed within 1-3 business days
- Domestic Delivery: Typically 3-5 business days
Please note that delivery times are estimates and may vary based on your location, weather conditions, or other unforeseen circumstances.
Shipping Destinations
Slickpurchase currently only ships to the United States.
Shipping Costs
We are pleased to offer free standard shipping on all orders within the United States.
Discreet Packaging
We respect your privacy. All Slickpurchase packages are shipped with complete discreet packaging. The product name, description, sender's name, and any information that hints about the contents are encrypted. Your package will arrive without any indication of what's inside, ensuring your purchase remains confidential.
Signature Requirements
Important Note: All orders valued above $250 will require a signature upon delivery for your protection.
Order Tracking
Once your order ships, you'll receive a tracking number via email so you can monitor your shipment's progress every step of the way.
Lost or Delayed Shipments
If your package is lost or significantly delayed, please contact our support team immediately, and we will assist you in resolving the issue.
Additional Security Measures
For your protection, we may contact you for additional order verification of the payment method on certain orders.
Questions or Concerns?
For details on returns and refunds, please refer to our Return Policy page.
For any questions about shipping or delivery, please contact our customer service team at support@slickpurchase.com.












