Ultralight 4 Litre Dry Bag

The Ultralight Dry Bag 4 Litre, supplied by J3Seven, is a lightweight, waterproof stuff sack designed to keep spare clothing and core kit dry and organised. Made from ultralight 40D ripstop nylon with a PU coating and fully taped seams, it is ideal for field use, paddling, travel and everyday outdoor carry where weight and bulk matter.

Its navy blue fabric and roll‑top closure with a tough buckle give you a simple, dependable way to protect gear from rain, spray and wet packs, while still being easy to compress and stow inside rucksacks and deployment bags.

Why Teams Choose the Ultralight Dry Bag 4 Litre

Ideal size for clothing and key kit: Four litres is perfect for a set of spare clothes, wet‑weather layers, overnight items or grouped mission essentials.

Ultralight construction: 40D ripstop nylon keeps weight low while still providing enough durability for regular field use and trips.

Waterproof by design: Taped seams and a roll‑top closure help seal out rain, spray and general pack moisture when sealed correctly.

Roll‑top with secure buckle: The buckle locks the rolled top and doubles as a grab loop or clip‑in point for attaching the bag inside packs or to other gear.

Helps organise your loadout: Use separate dry bags for clothing, electronics, food and admin kit to keep everything organised and easier to find in the dark.

Compact and compressible: The bag stuffs down small when empty and squeezes around its contents to make the best use of space inside your rucksack.

What You Get

• 1 x Ultralight Dry Bag 4 Litre – Navy Blue (CA956)

Ultralight Dry Bag 4 Litre – Key Specifications

• Product name: Ultralight Dry Bag 4 Litre – Navy Blue
• Volume: 4 litres
• Approximate size: 24 x 38 cm
• Material: ultralight, waterproof 40D ripstop nylon
• Coating: silicone PU coated fabric
• Seams: fully waterproof taped seams
• Closure: roll‑top waterproof closure with durable buckle
• Weight: approximately 60 g
• Colour: navy blue
• Primary use: keeping clothing and kit dry and organised in packs and bags
• Typical users: Defence, law enforcement, bushwalkers, paddlers, remote workers and travellers

Frequently Asked Questions

What can I fit in a 4 litre dry bag?

Typically: a full change of base layers, a lightweight mid‑layer, or a mix of T‑shirt, socks, underwear and small items. It can also hold compact rations, first aid kits or grouped mission‑specific equipment.

How waterproof is it?

The bag uses coated 40D ripstop nylon with fully taped seams and a roll‑top closure. When the top is rolled at least three times and buckled, it offers excellent protection against rain, splashes and pack moisture. It is not intended for long‑term submersion.

Is it suitable for water sports?

Yes, it is well suited to kayaking, canoeing, boating and other water‑based activities when used appropriately. For high‑value electronics, many users double‑bag items for extra security.

How tough is the fabric?

The 40D ripstop nylon is strong for its weight and designed for regular outdoor and field use. Avoid sharp edges and excessive over‑stuffing to maximise the life of the bag.

How does this size compare to the 1 litre version?

The 4 litre bag is better suited to clothing and bulkier items, while the 1 litre version is aimed at smaller valuables such as phones, keys and compact first aid kits. Many users carry both sizes as part of a packing system.

Protect your spare clothing and core kit from wet weather with minimal extra weight. Contact J3Seven to supply Ultralight Dry Bag 4 Litre – Navy Blue (CA956) for your personnel, vehicles and outdoor kits across Australia and New Zealand.