Streamline your shipping process with our waterproof envelope packing slips, designed for efficiency and ease of use. Measuring 4-1/2" x 5-1/2", these envelopes feature a convenient half window that allows for quick visibility of contents, making them perfect for packing slips and important documents. Simply load the slip, peel off the backing, and stick it onto your package for a secure hold. Each box contains 100 envelopes, and they are bilingual, catering to both English and French-speaking customers. For those with larger needs, we also offer a carton containing 20 boxes, ensuring you have plenty of envelopes on hand for all your shipping requirements.

Key Features:
• Waterproof design for durability
• Easy to use: load, peel, and stick
• Convenient half window for quick access
• Bilingual for enhanced communication
• 100 envelopes per box
• Available in a carton of 20 boxes
• Perfect for packing slips and essential documents