Do I have to use a fabric holder with Boveda in an instrument case?

YES! Always insert Boveda into a Boveda Fabric Holder before placing it in an instrument case. The fabric holder extends the life of Boveda plus acts as a liquid barrier if a pack is accidentally punctured.

Do I tear open the brown Boveda packet?

NO!!! DO NOT OPEN the brown packet itself. If your Boveda arrived individually wrapped in cellophane, remove that plastic overwrap before slipping the humidity control pack into a fabric holder.

Should I use a sponge or snake with Boveda?

No, do not use Boveda in the same instrument case with other humidification products, as this will reduce the Boveda’s efficiency. Ditch the sponges and hoses. No more rewetting— Boveda works automatically to balance the humidity in your case!

I live in a really humid place, so do I need Boveda in my instrument case?

Yes! Boveda makes a High-Absorbency pack to protect wood instruments in extreme humidity, prevent warping and curb humidity fluctuations when you’re in a dry environment, like an airplane or air-conditioned venue.

What’s the difference between the Large and Small Starter Kits?

The Large Starter Kit is the right Boveda for an acoustic guitar, large woodwind or large bowed or fretted instrument. Choose a Small Starter Kit to use Boveda with an electric guitar or bass, small woodwind or small bowed or fretted instrument.

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– 49% Two-Way Humidity Control Packs for Music Instruments – 4 Pack – Standard Size – Prevents Warping & Cracking for Wooden Instruments– Humidifier Packs for Instrument Cases – Resealable Bag

Product ID: 258297402

Details

Brand
Boveda
Capacity
0.45 Kilograms
Colour
Brown
Operation mode
Manual

⏳24-48h fast stabilization

🎸4-pack for multiple instruments

💧49% RH precise humidity control

S$44

Duties & taxes included

In stock

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Description

🎶 Keep your sound flawless—humidity control that hits every note!

FAST ACTING PROTECTION - Stabilizes your instrument’s environment within 24-48 hours for immediate care.
UNIVERSAL COMPATIBILITY - Perfect for guitars, woodwinds, bowed instruments, and more—one pack fits all.
TRUSTED BY PROFESSIONALS - Over 3 million users rely on Boveda’s patented saltwater tech for flawless instrument care.
MAINTENANCE FREE PEACE OF MIND - No daily refills or fuss—just reliable humidity control for up to 3 months.
PRECISION 2 WAY HUMIDITY CONTROL - Automatically balances moisture to prevent warping or cracking.

Boveda’s 49% Two-Way Humidity Control Packs provide precise, maintenance-free moisture regulation for wooden musical instruments. Designed to prevent warping and cracking, these 70g packs stabilize humidity within the ideal 45-55% range using patented saltwater technology. Each 4-pack offers fast-acting protection within 24-48 hours and lasts up to 3 months, making it the go-to solution for musicians seeking to preserve tone and instrument longevity.

Specifications

ASIN	B01B6AHW3K
Brand	Boveda
Capacity	70 Grams
Color	Brown
Customer Reviews	4.6 4.6 out of 5 stars (979)
Date First Available	30 December 2015
Item Weight	136 g
Material	All Natural Brine
Model Number	B49-70-4P
Product Dimensions	17.78 x 16.51 x 2.54 cm; 136.08 g
Runtime	24 hours
Special Features	Two-Way Humidity Control \| Keeps Instrument From Cracking/Warping \| Long Term & Short Term Storage \| Replace Every 3 Months \| Pair with the Boveda Fabric Holder for Best Results \| Made For Fretted, Bowed, & Woodwind Instruments \| Guitars, Ukulele, Violin, Viola, Clarinet, Any instrument With Soundhole

Reviews

M**Z

👌

1.11.2025

V**E

Ottimo

Ottimo!! Prodotto consogliato

1.08.2025

B**R

Ich bin zufrieden…!

Ich bin zufrieden… !

7.02.2026

M**G

Easy to use, and work fairly well

I put these inside my Ukulele soft carry cases. I have to put two in each case to keep the humidity at about 45%. These work better than other methods I have tried for maintaining correct humidity inside the cases. My Ukuleles are solid woods of Koa or Acacia and it is important to keep the humidity at the proper level to prevent cracking of the woods.

17.11.2024

T**X

最高だ．

きっちり湿度をコントロールしたければBoverda一択だ．一見高い商品だが，予想よりもちがよい．また，湿度を保つケースに入れるより小回りが聞き，コスパはそれよりは良い．アマゾンで在庫切れになることがあり，その点は残念だ．特に冬場は湿度管理をしたい楽器が多く，必需品となっている．他の湿度を保つと言っている商品とは雲泥の差で優れている商品だ．お勧め．

22.12.2025

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