Amazon has 100-Count Scotch Thermal Laminating Pouches (8.9″ x 11.4″) for $11.25. Shipping is free w/ Prime or on orders of $35+.

Features:

• Thermal Pouches up to 8.5″x11″
• Ideal for protecting items from damage Delivers a clear, professional and photo-safe finish
• 100 per package
• Great for children's artwork, signs, flyers, schedules, certificates, and other frequently used documents in the home, office or classroom
• Protects and adds professionalism to business documents
• Ultra clear finish to let important information show through