This 18×24 inch stay-flat rigid shipping mailer is made of 100% recycled eco-friendly white chipboard, with anti-bending sturdy structure to fully protect art prints, posters, photos and documents from damage in transit. It features convenient peel & press self-sealing design without extra tape, fits 17×23 inch items up to 3/4 inch thickness, supports custom logo printing, and is ideal for cross-border shipping, art delivery and bulk business mailing.

This article introduces 5-size nested round eco-friendly kraft paper gift boxes. Made of thick sturdy recyclable material, the boxes feature space-saving stackable design, flexible DIY customization, wide application for wedding, holiday, jewelry and candle gift packaging. Factory direct supply with stable quality, fast delivery and thoughtful customized services from Qingdao Flourish Industrial and Trading Co.,Ltd., providing cost-effective green packaging solutions for global cross-border sellers.