Could they be used to put inside my garage door to stop wind and rain blowing underneath and stop the wind whistling. If so how many would I need.

Each snake is approximately 3ft long and yes it will do the job you want as they are quite pliable , I don't know how wide a garage is im afraid but im sure you can work it out off this, the hydrosnake comes in a pack of 2 so you would have approximately 6ft coverage . They are an amazing product , they can soak up an unbelievable amount of water .

How long is the shelf life unused?

Not really sure. I ordered 2/3 sets and used one last winter and one in the summer. I have kept the last set unopened and thankfully unused so far but can see no reason for it not to work if and when required. It is an excellent product.

Major flood after the rain so bought these. do i have to soak them first or would the rain do the job? can i reuse them? if so how?

They recommend wetting the “snakes” a bit before first use but we found the rainwater trying to get into our garage did that for us. They can be reused until they go hard. They get heavier as they absorb the water so we left ours in the sun to dry off a bit. The inside material can be spread on earth in the garden which was one of the reasons we got them since easy to dispose of.

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Sandbag Alternative (Pack of 2)

Product ID: 48127911

Details

Brand
HydroSnake
Global Trade Identification Number
Item weight
2.7 Pounds
Number of Packs
2
Style
Modern

💧Absorbs up to 20L water

⏱️Ready to use in minutes

🛠️Built-in handles for easy handling

NZ$535

Duties & taxes included

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Description

💧 Stay dry, stay ahead — the future of flood protection is here!

ERGONOMIC DESIGN - Built-in handles and 3-section structure for easy placement and stability.
ECO FRIENDLY SAFE - Made from harmless pulp and polymer, safe to disperse in soil.
FLOOD DEFENSE EVOLVED - Absorbs 20L each to create a powerful water barrier instantly.
EMERGENCY READY IN MINUTES - Activate by soaking or spraying—no mess, no delay.
COMPACT STORAGE LONG SHELF LIFE - Store dry for 5+ years without losing effectiveness.

The HydroSack Sandbag Alternative (Pack of 2) offers a revolutionary flood barrier solution that absorbs up to 20 liters of water each, expanding quickly to form an effective, eco-friendly shield. With a 5+ year dry storage life and ergonomic handles for easy deployment, it’s the smart, modern upgrade to traditional sandbags—perfect for professionals who demand reliability and readiness in emergency flood situations.

Specifications

ASIN	B00AMEB6HA
Best Sellers Rank	13,843 in DIY & Tools ( See Top 100 in DIY & Tools ) 11 in Emergency Kits & Supplies
Brand Name	HydroSnake
Country Of Origin	United Kingdom
Customer Reviews	4.4 4.4 out of 5 stars (657)
Global Trade Identification Number	05060286080016
Item Type Name	Sandbag Alternative
Item Weight	2.7 Pounds
Manufacturer	Gravitas International Ltd
Manufacturer Part Number	HSNK
Model Number	HSNK
Number of Packs	2
Style Name	Modern
Unit Count	2.0 count
Volume	20 Litres

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NZ$535

Duties & taxes included

In stock

Sold byAmazon Cook IslandsDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Cook Islands.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Fatima A.

Best international shipping I've ever tried. Worth every penny!

3 days ago

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Received my product in pristine condition. Great service overall.

1 month ago

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