Product Overview

Haidapack’s W-Zipper Freezer Bags offer an elite, professional-grade solution for household and commercial food preservation. Specially formulated to withstand extreme deep-freeze environments, this series is engineered with our signature W-Zipper (Dual-Track) technology. The parallel interlocking tracks create a 100% airtight and leak-proof barrier, locking in natural freshness while completely shutting out dry air and preventing freezer burn.

Featuring an integrated frosted write-on panel (Memo), these bags make kitchen organization effortless. Available in a versatile S, M, and L multi-size range, this collection seamlessly transitions from sub-zero storage to microwave defrosting, making it a top-selling choice for global supermarkets, private labels, and retail distributors.

Key Features & Benefits

• High-Security W-Zipper Seal: Two independent interlocking tracks provide double the leak-proof protection of a standard single-track zipper. It ensures liquids, juices, and odors stay exactly where they belong.

• Integrated Memo Writing Area: A wide, frosted write-on strip allows users to easily note down dates, content types, or expiration labels using a standard pen or marker—essential for systematic meal-prepping.

• 0.06mm Heavy-Duty Thickness: Crafted to be exceptionally strong, offering robust puncture resistance against frozen ice crystals, sharp bones, and textured food items.

• Microwave-Safe for Rapid Defrosting: Formulated from premium, heat-resistant food-grade Polyethylene (PE). These bags safely handle microwave thawing, moving directly from the freezer to preparation.

• 100% Certified Food Safety: Manufactured from 100% virgin, BPA-free material in our clean, GMP-standard facility. Fully compliant with BRC, FDA, and ISO9001 standards.

Technical Specifications