3.5cm 12.5x11.5cm - Standard Rigid Handmade Seller Mailer Box - Corrugated Cardboard Recyclable Foldable - Wholesale Bulk Pack

Premium 12.5x11.5cm - White - 3-Layer Extra Hard Taiwan Paper Square Mailer Box - Height 3.5cm

High quality Taiwan paper corrugated square mailer box for e-commerce shipping, Amazon FBA, and small business packaging. Lightweight, durable, and eco-friendly.