I've spent a lot of time trying to find an inexpensive and quality solution - here it is. I can put them in a picture envelope, mail them in a plastic bag, and they'll arrive safe and sound (assuming the USPS doesn't decide to consider my "fragile" stickers a silly personal challenge).
Drive Medical M6026 Convoluted Foam Mattress Pad - White
3 Review
๐ก๏ธ Shield and Safeguard Your Valuable Trading Cards with Card Coats Shipping Protectors
3 Review
Juvale Corrugated Cardboard ๐ฆ Sheets: Reliable Packaging & Shipping Supplies
3 Review
BOX USA BSP1814 Corrugated Sheets: Premium Packaging & Shipping Protection
3 Review
Honeycomb Cushioning: Eco-Friendly Biodegradable & Recyclable Wrapping Solution
3 Review
Fuxury Pink Anti-Static Bubble Cushion Wrap Roll Air Bubble Roll 1 Roll 36 Feet
3 Review
Heavy-Duty Perforated Sticker Supplies with Advanced Cushioning
3 Review
๐ฆ Perforated Stickers Packaging for Cushioning during Shipping
3 Review