20L Bag-in-Box (BIB) for Egg Liquid with Button Valve

This product is a 20L Bag-in-Box (BIB) for egg liquid, with a button valve as its technical variant. The bag body uses a multi-layer composite film structure. Common material structures include PET/AL/PE, PET/NY/PE, PET/VMPET/PE, PET/PE, PA/PE, PET/AL/NY/PE, kraft paper/PE, and PET/VMPET/NY/PE; the thickness is 15–25 silk (multi-layer composite), and the structure can be selected from the above options according to packaging requirements.

Production follows gravure printing → lamination → slitting → bag making → heat sealing, with 1–8 color gravure printing available. The product is manufactured in a Class 10,000 cleanroom using food-grade materials; material certificates can be provided upon customer request.

The standard specification is 20L with a button valve, and the MOQ is 10,000 pcs. The factory is located in Dongguan, Guangdong, and supports sample/drawing proofing as well as customization of size and artwork according to customer requirements.

This product is used for egg liquid bag-in-box packaging, and the button valve configuration is the core differentiator from other same-size same-use variants. The customization process covers sample/drawing proofing, size and artwork confirmation, and production steps including gravure printing, lamination, slitting, bag making, and heat sealing.