UCANPACK Black Mailer Boxes 10 x 10 x 4" (Color Inside) - 50 Pack Small Shipping Box, 10x10x4 Shipping Boxes - Custom Shipping Boxes Made in USA

📦 Made of 200# / 32 ECT B Flute: 1/8" thick corrugated cardboard stock making it Great for shipping, subscription boxes, gift boxes, and e-commerce packaging 📦 All our boxes are produced right here in the USA. Custom packaging and shipping solution for small businesses and ecommerce brands. 📦 All corrugated boards are sustainably sourced and recyclable. Shipped and stored flat to save space!