Description

Price: $18.49 - $17.56
(as of Aug 11, 2025 22:33:56 UTC – Details)

Product Description

Install & Expand DANUOSIE Bike Seat Bag – 2L Waterproof Guide

The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked. Install & Expand DANUOSIE Bike Seat Bag Merchant Video

1.5-2L Adjustable Expandable Capacity for Flexible Cycling Storage

The waterproof bike seat bag expands from 9.6×4.1×4.3 inches (1.5L) to 11.4×4.1×4.3 inches (2L), offering on-demand space adjustment for daily commutes or extended rides.

Reflective Safety Strips for Night Riding & PVC-Free Water-Resistant Design

Constructed with reinforced waterproof materials and zero PVC content, the bag provides reliable rain protection during light showers.

High-visibility reflective panels increase rider conspicuity in low-light conditions.

Multi-Compartment 2L Storage with Interior Mesh Pockets for Organized Essentials

Featuring a large main compartment and a internal mesh pocket, this saddle bag securely holds tools, snacks, phones, and accessories while keeping items visible and accessible mid-ride.

Universal Strap-On Installation Compatible with Most Bicycle Seats

The adjustable Velcro straps ensure quick, tool-free attachment and a wobble-free fit under electric, mountain, road, or commuter bike saddles.

Find Your Perfect Match | Bike Bag Comparison Guide by DANUOSIE

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Customer Reviews

4.7 out of 5 stars 167

4.7 out of 5 stars 167

4.2 out of 5 stars 20

4.7 out of 5 stars 33

4.5 out of 5 stars 85

4.5 out of 5 stars 14

4.6 out of 5 stars 21

Price

$17.56$17.56

$18.04$18.04

$15.66$15.66

$17.09$17.09

$29.99$29.99

$27.99$27.99

$32.99$32.99

Feature

Expandable

Large Reflective Area

3D Hard Shell

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Fully Waterproof

Hard Shell

Expandable

Capacity

1.5-2L

1.5-2L

1L

1L

10L

8L

25-35L

Water Resistant

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Reflective Design

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Inner Compartments

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EXPANDABLE DESIGN: Our bike seat bag features adjustable capacity from 1.5L to 2L through the zipper, so you can easily adjust this it to suit your needs. Dimensions of this bike saddle bag (L x W x H in inches): Before expansion: 9.6 x 4.1 x 4.3; After expansion: 11.4 x 4.1 x 4.3
WEATHER-RESISTANT CONSTRUCTION: This expandable bicycle saddle bag is made with 900D waterproof Oxford fabric and PU coating for enhanced water resistance. PVC-free materials ensure durability without harmful chemicals. *Not recommended for prolonged exposure to heavy rain
NIGHT VISIBILITY: Large reflective area around the seat bag to increase night visibility while night cycling. The saddle bag features an additional taillight hook for mounting your taillight (taillight not included in the package)
MULTI-COMPARTMENT: The main compartment with built-in mesh pocket provides structured storage for essentials like keys, wallets, cycling gloves, phones, tire repair kits, and accessories. Smart compartment design ensures quick access during rides
EASY TO INSTALL: With its strap-on design, this bike saddle bag under seat allows for customizable positioning under any seat, fitting a broad spectrum of bikes, from electric to traditional. Its adjustable Velcro straps ensure a secure and snug fit across various bicycle models, offering a stable and convenient storage solution for cyclists