Roughly, how much sand would fill the base?

I filled mine with water. Using sand, I would expect to need 2 5-gallon buckets to get the weight up to 100lbs.

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Hayabusa Cobra Reflex Bag - Black

Product ID: 443894882

Details

Brand
Hayabusa
Colour
Black
Item weight
10.66 kg
Size
One Size
Sport
Boxing

⚡Rapid rebound speed

🎯Precision hand-eye coordination

🏋️‍♂️Heavyweight stable base

RM7906

Duties & taxes included

In stock

Sold byAmazon MalaysiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🥊 Elevate your fight game with reflexes that never miss!

SOLID AS A ROCK - Heavyweight base ensures zero movement, so you stay locked in your rhythm.
FEEL EVERY STRIKE - Perfect-density rebound ball offers distinct feedback with every hit, gloves or no gloves.
TRAIN LIKE A PRO ANYTIME - Adjustable height simulates any opponent for versatile, solo training sessions.
MASTER DEFENSIVE MANEUVERS - Enhance footwork and head movement without needing a training partner.
UNMATCHED REFLEX DEVELOPMENT - High-tension spring delivers lightning-fast rebounds to sharpen your speed and timing.

The Hayabusa Cobra Reflex Bag is a premium training tool designed for combat sports athletes seeking to enhance speed, accuracy, and defensive skills. Featuring an adjustable height, a heavyweight base for stability, and a high-tension spring rebound ball, it delivers precise feedback and rapid rebounds to develop razor-sharp reflexes and hand-eye coordination—all in a sleek black polyurethane design.

Specifications

ASIN	B09CV5Q3R3
Age Range Description	Adult
Brand Name	Hayabusa
Color	Black
Customer Reviews	4.6 4.6 out of 5 stars (68)
Global Trade Identification Number	00804579006285
Item Dimensions W x H	50W x 180.1H centimeters
Item Weight	23.5 Pounds
League Name	MMA
Manufacturer	Hayabusa
Manufacturer Part Number	HRB-BK-ONE
Model Number	HRB
Number of Items	1
Outer Material	Polyurethane (PU)
Size	One Size
Sport Type	Boxing
UPC	804579006285

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TrustScore 4.5 | 7,300+ reviews

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The delivery time was excellent, and the packaging was secure.

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