Well this work instead of a sweatband in a hard hat? Is it absorbing moisture of is it water resistant?

The effect of this is to reduce the circumference of the hat。

Would this work for a beret that keeps falling down over my eyes?

I realise this is a bit late in the day but berets are typically wool, military berets have a string chord inside a leather band that you can tighten but otherwise using hot and cold water to stretch and shrink the rim then stretching it on to your head where you’d want it to sit and leaving it on wet to set the size should also work too

Will they stick to one another to make a thicker size

I have done that. Just wish the foam was a more open flexible structure. However not seen any.

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23 Pieces Hat Size Tape Hat Size Reducer Foam Reducing Tape Roll Self Adhesive for Cap

Product ID: 174462851

Details

Brand
Outus
Colour
Multicoloured
Material
Foam
Number of items
23
Recommended uses for product
[Body Indoor

📏23 versatile size strips

🧴strong self-adhesive backing

🧽soft foam for comfort & shock absorption

Bs.536

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Description

🎩 Snug hats, zero hassle—fit like a boss!

SHARE THE STYLE - 23 pieces per pack with multiple colors and sizes—enough to upgrade your entire hat collection or gift friends.
EFFORTLESS APPLICATION - Peel-and-stick self-adhesive design lets you adjust your hat in seconds—no tools needed.
PERFECT FIT EVERY TIME - Multiple sizes (3mm, 4mm, 5mm) ensure your hat fits like it was custom-made.
UNIVERSAL COMPATIBILITY - Works seamlessly on leather, felt, straw, and cloth hats—your go-to solution for all styles.
COMFORT MEETS DURABILITY - Soft foam material cushions your head while providing heat insulation and shock absorption.

This 23-piece hat size reducer set features soft, durable foam strips in multiple thicknesses (3mm, 4mm, 5mm) with a strong self-adhesive backing. Designed for easy peel-and-stick application, it fits various hat materials including leather, felt, and straw. The foam provides shock absorption and heat insulation, ensuring comfort while securing your hat perfectly. Ideal for professionals who demand both style and function, this pack offers enough variety and quantity to customize multiple hats or share with friends.

Specifications

ASIN	B07ZF66QF6
Best Sellers Rank	59,175 in Home & Kitchen ( See Top 100 in Home & Kitchen ) 123 in Arts & Crafts Tape
Department	Unisex Kids
Item model number	Outus-Arts & Crafts Tape-04
Manufacturer	Outus
Product Dimensions	16 x 11 x 2.11 cm; 32 g

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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Bs.536

Duties & taxes included

In stock

Sold byAmazon BoliviaDelivered 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 Bolivia.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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