Knowledge

How to test whether a waterproof bag is waterproof [Latest Guide]

With the increase of outdoor adventure lovers, more and more people are going from the city to nature to experience the peace in nature, or the intens

view more

How Big Is a Standard Backpack? Sizes and Volumes Explained

At FENGLINWAN, we make outdoor waterproof backpacks for hikers, travelers, and everyday users who actually carry their gear in real conditions. Over t

view more

How to Get Rid of Bad Smells in Cooler Bags: The Ultimate Guide

Cooler bags are a convenient and essential item for outdoor activities, picnics, lunches, or road trips. They keep our food and drinks cold and fresh,

view more

Complete Guide to Outdoor Sports Bag Types and Features [2026 Guide]

Outdoor sports bags take a beating. Rain, river crossings, heavy loads, sharp rocks - they face it all. Picking the wrong one means wet gear, sore sho

view more

What is a Laptop Bag? 2025-2026 Buying Guide

A laptop bag is a specialized carrying case designed specifically for laptops. It protects, transports, and organizes your laptop along with its cable

view more

The Ultimate Guide to Different Types of Backpacks (2026 Edition)

The differences between a daypack, a laptop backpack, a travel backpack, a hiking pack, and a waterproof outdoor pack are functional, not cosmetic. On

view more

What is PVC Waterproof Coating? A Guide to Waterproofing Materials

PVC (polyvinyl chloride) waterproof paint is a versatile waterproof solution commonly used in industries such as construction, outdoor equipment and w

view more

How Do Cooler Bags Work and Keep Food Cold?

You've packed sandwiches and cold drinks for a beach day, only to find them lukewarm after a couple of hours in the sun. Or maybe you're loadi

view more

How Long Does a Cooler Bag Stay Cold?

When it comes to picnics, camping, grocery shopping, or even transporting medicine, a cooler bag (also known as an insulated bag ) is one of the most

view more

The 10 Best EVA Case manufacturers (2026 Guide)

In the fast-growing world of protective carrying solutions, EVA cases stand out for their lightweight construction, superior shock absorption, water r

view more

Top 10 Best Waterproof Bag Designs in the USA (2026 Edition)

In recent years, waterproof bags have evolved far beyond simple dry sacks. In the U.S. market, consumers now expect durability, sustainability, smart

view more

What Makes a Backpack Breathable? Materials, Design & Key Features Explained

At FENGLINWAN, we place strong emphasis on comfort in outdoor backpacks , especially when it comes to breathability. We often hear the same question f

view more