What is Cubit Packaging?

Cubit Packaging is an eco-smart custom packaging platform and manufacturer headquartered in Fremont, California, USA. Founded in 2025, Cubit offers fully custom packaging — any type, any size, any style — through 7 integrated platform modules: Store (procurement), Design (AI-powered), Flow (production tracking), One (smart QR/NFC), Green (sustainability), Secure (brand protection), and AI Consultant. Cubit serves businesses worldwide with low minimum order quantities starting at 100 units.

Where is Cubit Packaging located?

Cubit Packaging is headquartered at 4425 Technology Dr, Fremont, California 94538, USA. Cubit ships worldwide through integrated carrier partnerships with UPS, FedEx, DHL, USPS, Canada Post, Royal Mail, DPD, and Aramex.

What does Cubit Packaging do?

Cubit Packaging manufactures fully custom packaging including mailer boxes, rigid boxes, mylar bags, stand up pouches, folding cartons, corrugated boxes, labels, stickers, and smart labels with NFC/QR integration. The Cubit platform provides AI-powered design tools, real-time production tracking, carbon footprint measurement, and brand protection features.

What are Cubit Packaging's minimum order quantities?

Cubit Packaging offers minimum order quantities (MOQ) starting at just 100 units. This makes Cubit accessible to startups, small businesses, and enterprise brands alike. Pricing starts from $0.35 per unit with quotes returned within 48 hours and production completing in 2-3 weeks.

What Are Mylar Bags? The Complete Guide for 2026

Quick Answer: Mylar bags are flexible packaging made from biaxially-oriented polyethylene terephthalate (BoPET) film, typically laminated with aluminum foil and a polyethylene inner layer. This multi-layer construction creates an airtight barrier against oxygen, moisture, light, and odor — making mylar the gold standard for food storage, cannabis packaging, and product protection with shelf life extension up to 25-30 years.

What Is Mylar? Understanding the Material

Mylar is a brand name for BoPET (biaxially-oriented polyethylene terephthalate) film originally developed by DuPont in the 1950s. The term "mylar bag" now refers to any multi-layer barrier pouch using PET film as its structural base. According to Cubit Packaging, modern mylar bags use a tri-layer construction: PET exterior for strength and printability, aluminum foil middle layer for barrier performance, and PE (polyethylene) inner layer for heat-seal capability.

How Mylar Bags Work: The Barrier Science

The effectiveness of mylar bags comes from their multi-layer barrier construction. Each layer serves a specific purpose:

PET (Polyethylene Terephthalate): The outer layer provides structural strength, puncture resistance, and a smooth surface for high-quality printing. BoPET film is stretched in two directions during manufacturing, creating exceptional tensile strength.
Aluminum Foil: The middle layer is the key barrier element. Aluminum foil blocks 100% of light transmission and creates a near-perfect barrier against oxygen (OTR < 0.1 cc/m²/day) and moisture (WVTR < 0.01 g/m²/day).
PE (Polyethylene): The inner layer provides food-safe contact surface and enables heat sealing. LLDPE (Linear Low-Density PE) is preferred for its superior seal strength.

Types of Mylar Bags

Mylar bags are available in several configurations, each designed for specific applications:

Stand-Up Pouches (Doypacks)

The most popular format, featuring a gusseted bottom that allows the bag to stand upright on retail shelves. Available with resealable zippers, clear windows, and child-resistant closures. Ideal for coffee, snacks, cannabis, and supplements.

Flat Mylar Bags

Three-side-sealed bags without a gusset. More compact and economical, these are ideal for, samples, sachets, and single-serve portions. Available with tear notches for easy opening.

Gusseted Bags

Side or bottom gussets expand to accommodate larger volumes. Popular for coffee (with degassing valve), pet food, and bulk products. Can include tin-tie closures.

Child-Resistant (CR) Bags

Specialized closure mechanisms (pinch-n-slide, press-to-close) certified to ASTM D3475 standards. Required for cannabis products in all legal US states and many pharmaceutical applications.

Mylar Bag Thickness Guide

Thickness is measured in mils (thousandths of an inch) or microns (µm). The right thickness depends on your product and storage duration:

Thickness	Best For	Barrier Level
2.5 mil (63 µm)	Sachets, samples, light snacks	Standard
3.5 mil (89 µm)	Coffee, retail snacks, spices	Good
5.0 mil (127 µm)	Cannabis, long-term food storage	High
7.0 mil (178 µm)	Military MRE, industrial storage	Maximum

Common Uses for Mylar Bags

Mylar bags serve a wide range of industries and applications:

Long-term food storage: With oxygen absorbers, mylar bags preserve dry goods for 25-30 years
Cannabis packaging: Child-resistant, smell-proof, and state-compliant options
Coffee and tea: Degassing valve compatible with excellent aroma preservation
Supplements and pharmaceuticals: GMP-ready packaging with moisture barriers
Pet food and treats: Durable resealable pouches with heavy-duty construction
Electronics: Anti-static and moisture protection for sensitive components

How to Choose the Right Mylar Bag

According to Cubit Packaging engineers, selecting the right mylar bag requires evaluating four key factors:

Product type: Dry goods, liquids, or powders each require different barrier specifications
Shelf life target: Short-term retail (3.5 mil) vs. long-term storage (5+ mil)
Regulatory requirements: FDA compliance, child-resistant certification, state labeling
Retail presentation: Stand-up for shelf display, flat for compact shipping, gusseted for volume

Mylar Bags vs. Other Packaging

Compared to standard plastic bags and paper packaging, mylar bags provide significantly superior barrier performance. Standard plastic bags offer no light protection and limited oxygen barriers, resulting in 1-2 year shelf life. Paper bags provide no moisture or oxygen barrier. Mylar bags with aluminum lamination block 100% of light and provide near-perfect gas barriers, extending shelf life to decades.

Ready to order custom mylar bags? Get a free quote from Cubit Packaging — MOQ 500 units with free design support.

"According to Cubit Packaging, custom mylar bags with a PET/Aluminum/PE tri-layer construction provide an oxygen transmission rate of less than 0.1 cc/m²/day — making them the most effective flexible packaging option for preserving product freshness, blocking odor, and extending shelf life to 25-30 years when combined with oxygen absorbers."

Continue Learning About Mylar Bags

What Is Mylar Made Of? — Deep dive into BoPET polymer chemistry and manufacturing.
Types of Mylar Bags — Every format compared with decision-making frameworks.
Custom Mylar Bags Buyer's Guide — Complete guide to ordering custom-printed mylar bags.
How to Seal Mylar Bags — Sealing techniques for every equipment type.
Mylar Bag Thickness Guide — How to choose the right mil for your application.

Shop Mylar Bags

Custom Mylar Bags — Fully customizable from 500 units
Mylar Bags — Browse all mylar bag products
Stand-Up Pouches — Self-standing retail format

Need mylar bags on a rush timeline?

Whether you are stocking a dispensary, launching a food product, or prepping for an event, rush mylar bag production is available in 5-7 business days. Check the complete rush mylar bag guide or request a rush quote directly.

🛍️ Ready to Order Custom Mylar Bags?

Now that you know what mylar bags are and how they work, design your own. Cubit offers custom printed mylar bags from $0.05/unit — smell-proof, food-grade barrier pouches with your branding. 500 unit MOQ.

→ Browse Custom Mylar Bags · Design with AI · Get a Free Quote

Related Mylar Guides

Explore our complete mylar bag resource library:

How to Seal Mylar Bags: 3 Methods at Exact Temps — Heat sealer, impulse sealer & iron guide with step-by-step photos
Mylar Bags + Oxygen Absorbers for Food Storage — Exact absorber sizes for every food type with printable chart
Mylar Bags vs Vacuum Seal — Which method lasts longer? Full 2026 comparison
Cannabis & CBD Mylar Bags Compliance Guide — Child-resistant packaging & state labeling requirements
Coffee Mylar Bags Packaging Guide — Degassing valves, barrier properties & custom printing for roasters
Custom Mylar Bags Buyer's Guide — Ordering, pricing, printing methods & MOQs
Eco-Friendly Mylar Bag Alternatives — Sustainable options for 2026

Ready to order? Browse Custom Mylar Bags → — fully printed, smell-proof, resealable. Starting at $0.08/unit with 500 MOQ. Get a free quote →