PU Waterproof Backpack 20-36L Zipper Int Frame Poly Lining 1

PU Waterproof Backpack 20-36L Zipper Int Frame Poly Lining 2

PU Waterproof Backpack 20-36L Zipper Int Frame Poly Lining 3

PU Waterproof Backpack 20-36L Zipper Int Frame Poly Lining 4

PU Waterproof Backpack 20-36L Zipper Int Frame Poly Lining 5

PU Waterproof Backpack 20-36L Zipper Int Frame Poly Lining 6

PU Waterproof Backpack 20-36L Zipper Int Frame Poly Lining

A cool pack that wakes up at dawn — rain taps the PU shell while your gear stays dry, whether on city streets or a wild trail. Smooth zips, a firm inner frame, and a sleek poly lining keep shape and order so you grab what you need in one move. Light on the back, bold in style — ready for work, ride, or a weekend escape.

Place of Origin:

China

Samples:

$60.0/piece | Min. order : 1 piece

Shipping:

Support Sea freight

Payments:

L/C,D/A,D/P,T/T,Western Union,MoneyGram,OA

Lead Time:

1-1000(pieces):31(days),>1000(pieces):To be negotiated(days)

brand name:

None

Inquiry

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Recommended use

daily use

Item Shape

Square

carrying system

Arcuate Shoulder Strap

interior

Interior Compartment

type

Internal Frame

Strap Type

soft handle

Capacity

20-36 Litre, Other Categories

closure type

Zipper

Main Material

Application

Daily Use, Travel, outdoor activity

Lining

Polyester

Pattern

Other

style

fashion

season

All Seasons

feature

waterproof

place of origin

Zhejiang, China

Waterproof, Durable, Expandable, Organized

This PU waterproof Backpack with an internal frame and 20–36L capacity keeps your gear dry and organized with a square shape, zipper closure, polyester lining and arcuate shoulder straps for comfortable all-day carry. Fashionable yet durable PU construction, soft handle and reinforced stitching deliver reliable performance for daily use, travel and outdoor activities. Secure packaging, sample options and trade-assurance support ensure quality and easy ordering.

Here are three 4-word subtitle options:

This Backpack features a PU exterior with a polyester poly lining, zipper closure and waterproof finish, offering weather protection and a square 20–36L capacity ideal for daily, travel and outdoor activities. An internal frame, arcuate shoulder straps and a soft handle form a stable, ergonomic carrying system that reduces shoulder strain while multiple interior compartments keep belongings organized. Fashion-forward styling, durable construction and lightweight materials deliver long-lasting performance and easy maintenance, making this Backpack a versatile, practical choice for commuters and travelers.

PU Waterproof 20-36L Backpack

This PU waterproof Backpack with an internal frame offers a 20–36 L capacity and a secure zipper closure for daily use, travel, and outdoor activities. A polyester lining, soft handle and ergonomic arcuate shoulder straps provide comfortable carrying through all seasons while the square shape and fashion style meet modern needs. Made in Zhejiang, China, the durable water-resistant construction ensures reliable protection and practical storage for everyday essentials.

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Waterproof Durable Supportive Versatile

Crafted with a waterproof PU exterior, poly lining, and a lightweight internal frame, this Backpack (20–36L) combines rugged outdoor durability with refined urban design for reliable everyday and travel use. Ergonomic padded straps, a ventilated back panel, reinforced seams and smooth zipper closures provide comfortable load support, weather resistance, and secure organization for electronics and essentials. Key advantages include adjustable capacity, lockable zippers, multiple compartments, and a durable yet lightweight build that delivers protection, stability, and versatile storage for hiking, commuting, and weekend trips.

Material introduction

This Backpack is built from durable PU with a waterproof finish and a polyester lining for reliable protection and easy cleaning. A sturdy zipper closure and internal frame provide structure and secure storage, while the soft handle and arcuate shoulder straps offer comfortable carrying. Sized for 20–36L capacity, the material choices make it suitable for all-season daily use and travel.

◎ Waterproof PU Exterior

◎ Reinforced Polyester Interior with Internal Frame

◎ Secure Comfortable Carry

FAQ

What kinds of activities and environments is the PU Waterproof Backpack (20–36L) best suited for?

This backpack is versatile for everyday commuting, cycling, day hikes, overnight trips, travel, and wet-weather outdoor activities. The PU-coated exterior and poly lining help protect contents from rain and splashes, while the internal frame keeps the load stable on longer walks or bike rides.

Is the backpack truly waterproof — will it keep my gear dry in heavy rain or if it gets splashed?

The PU coating and poly lining provide strong water resistance and excellent protection from rain and splashes. However, like most zipper-equipped packs it may not be fully submersible; for prolonged heavy downpours or immersion, use an additional rain cover or dry bag for critical items.

What does “internal frame” mean and how does it change the backpack’s performance?

An internal frame is a built-in rigid or semi-rigid structure inside the pack that helps distribute weight across your hips and back. This improves carrying comfort and posture for heavier loads or longer journeys, reduces shoulder strain, and keeps the pack’s shape for better packing and stability.

Can I safely carry a laptop, camera, or other electronics in this pack?

The PU exterior and poly lining offer good moisture protection for electronics, and many models include internal pockets or sleeves for tablets and laptops. For maximum protection, use a padded laptop sleeve or place sensitive gear in a waterproof dry bag, especially in heavy rain or rough travel conditions.

How do I choose between the 20L and the 36L sizes — what are practical use cases for each capacity?

20L is ideal for daily commuting, work or school essentials, short hikes, and cycling — enough for a laptop, lunch, and light layers. 25–30L suits longer day trips or travel with extra clothing and camera gear. 30–36L is best for overnight trips, weekend travel, or carrying bulkier outdoor equipment while still remaining compact.

What are the recommended care and maintenance steps to keep the backpack waterproof and long-lasting?

Wipe the PU surface with a damp cloth and mild soap; avoid machine washing or harsh chemicals. Rinse and air-dry completely away from direct heat. Inspect seams and zippers regularly — reapply seam sealant if needed and lubricate zippers with a silicone-based zipper lubricant to maintain water resistance and smooth operation.

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