Resealable Zipper Snack Package Ziplock Bag

Manufacturing begins with precision extrusion through film-blowing machines that calibrate polymer pellets into uniform thin films (typically 50-200μm thickness). Advanced die-cutting systems then convert these films into predetermined dimensions, with optional rotary printing units applying custom graphics using food-grade inks prior to cutting. The critical sealing mechanism employs heat-sealing technology at 140-160°C to fuse bag edges while integrating interlocking zip tracks made from compatible polymers like HDPE for enhanced closure integrity. Rigorous quality control protocols verify 5,000+ open/close cycles through automated testing rigs, ensuring mechanical endurance across temperature ranges (-20°C to 60°C).

product details

Product Description

Item	Custom PE Packaging Bag Resealable Food Storage Zip lock bag
Material	PE, PPE, CPE etc.
Size	from 5 to 70cm customized as request
Thickness	from 0.025-0.25mm customized as request
colors	Any color available
Bag Type	Zipper bag, self sealing bag, flat pocket,etc.
Feature	1. Moistureproof, waterproof, insect proof, mildew proof, non-toxic and tasteless, strong flexibility, convenient sealing, very durable;
	2. It can be reused;
	3. All kinds of patterns and words can be printed, and the printing content can be customized;
	4. Good transparency and sealing performance;
	5. Zipper seal design, good sealing, neat edge sealing, bookbinding air hole;
	6. No peculiar smell, tight seal, good leak proof, but it is not recommended to pack liquid;
	7. Environment friendly and degradable.
sample	available for free but shipping cost as your side
Design	free design or by customer's artwork
Application	Bedding bags, shopping bags, gift bags, storage bags, waterproof bags, jewelry bags, general packaging, food bags, cosmetics bags, clothing bags, daily necessities bags, digital packaging,etc
Certificate	Export license,ISO, Health Certificate,,FORM A,CO,SGS
TradeTerms	EXW/FOB/C&F/CIF
Note	If you have any bags request, do not hesitate to send an inquiry.We will reply to you at first time.

Product Features

Zipper storage bags represent an innovative packaging solution crafted from polymer materials like low-density polyethylene (LDPE). These self-sealing containers combine material science with practical design, featuring inherent non-toxicity, odorless composition, and exceptional optical clarity that maintains 90%+ light transmission. The molecular structure of LDPE grants remarkable tear resistance (typically 3-5N/mm² tensile strength) while preserving material flexibility, achieving optimal balance between durability and pliability. Chemically inert properties ensure compatibility with various stored contents, creating an effective barrier against oxygen infiltration (