---
product_id: 531488757
title: "12 PCS Hat Size Reducers, Hat Inserts to Make Smaller, Felt Cap Size Reducer Tape Black and White Hat Sizing Tape Hat Size Reducer for Hats Caps Sweatband"
brand: "siyupu"
price: "€ 8.53"
currency: EUR
in_stock: true
reviews_count: 8
category: "Siyupu"
url: https://www.desertcart.at/products/531488757-12-pcs-hat-size-reducers-hat-inserts-to-make-smaller
store_origin: AT
region: Austria
---

# 11x2cm perfect fit tape soft foam for comfort 6 black + 6 white for style match 12 PCS Hat Size Reducers, Hat Inserts to Make Smaller, Felt Cap Size Reducer Tape Black and White Hat Sizing Tape Hat Size Reducer for Hats Caps Sweatband

**Brand:** siyupu
**Price:** € 8.53
**Availability:** ✅ In Stock

## Summary

> 🎩 Shrink your hat, not your style — fit flawlessly every time!

## Quick Answers

- **What is this?** 12 PCS Hat Size Reducers, Hat Inserts to Make Smaller, Felt Cap Size Reducer Tape Black and White Hat Sizing Tape Hat Size Reducer for Hats Caps Sweatband by siyupu
- **How much does it cost?** € 8.53 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.at](https://www.desertcart.at/products/531488757-12-pcs-hat-size-reducers-hat-inserts-to-make-smaller)

## Best For

- siyupu enthusiasts

## Why This Product

- Trusted siyupu brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Dual-Color Versatility:** Choose between sleek black or classic white inserts to seamlessly blend with any hat style.
- • **Effortless Application:** Stick-on design lets you resize your hat in seconds—no tools, no hassle, just perfect fit.
- • **Universal Compatibility:** Designed to work with most hat types, from caps to fedoras, making it your go-to sizing hack.
- • **Precision Fit Every Time:** Customizable 11x2cm foam strips ensure your hat fits like it was tailored just for you.
- • **Stay Secure & Comfortable:** Soft foam material cushions your head while keeping your hat snug and stable all day long.

## Overview

This 12-piece set of foam hat size reducers includes 6 black and 6 white 11x2cm strips that easily stick inside most hats to provide a comfortable, secure, and customizable fit. Perfect for professionals who demand both style and comfort, these inserts offer a quick, no-fuss solution to common sizing issues.

## Description

Product Description

Review: Worked perfectly - Excellent product for helping my hat fit properly. Used one at the front and one at the back. Stuck in perfectly under hat band.
Review: Seem to work well - I have used 2 to make hat more secure & thought ghdy might not stick but they have.

## Features

- Package Contents: You will get 6 pieces of hat circumference stickers in white and 6 pieces in black to meet your daily use needs
- Specifications: The size of this hat circumference sticker is 11*2cm
- Material: This hat shrinking tape is made of foam
- Convenience: This hat circumference sticker is easy to use, just stick it on the inside of the hat
- Widely used: Our hat circumference sticker is suitable for most hats

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0C2JYCSLH |
| Best Sellers Rank | 36,452 in Fashion ( See Top 100 in Fashion ) 2,067 in Men's Accessories |
| Brand | SIYUPU |
| Brand Name | SIYUPU |
| Closure Type | Hook and Loop |
| Closure type | Hook and Loop |
| Colour | White |
| Country Of Origin | China |
| Customer Reviews | 3.9 out of 5 stars 151 Reviews |
| Item Type Name | tool |
| Manufacturer | yundong-UK |
| Material | Plastic |
| Material Type | Plastic |
| Model Name | Tool |
| Product Warranty | No |
| Size | M |
| Style | Cap Style |
| Style Name | Cap Style |

## Product Details

- **Brand:** SIYUPU
- **Colour:** White
- **Material:** Plastic
- **Size:** M
- **Style:** Cap Style

## Images

![12 PCS Hat Size Reducers, Hat Inserts to Make Smaller, Felt Cap Size Reducer Tape Black and White Hat Sizing Tape Hat Size Reducer for Hats Caps Sweatband - Image 1](https://m.media-amazon.com/images/I/71Ry+rhLkrL.jpg)
![12 PCS Hat Size Reducers, Hat Inserts to Make Smaller, Felt Cap Size Reducer Tape Black and White Hat Sizing Tape Hat Size Reducer for Hats Caps Sweatband - Image 2](https://m.media-amazon.com/images/I/71nOQonWfbL.jpg)
![12 PCS Hat Size Reducers, Hat Inserts to Make Smaller, Felt Cap Size Reducer Tape Black and White Hat Sizing Tape Hat Size Reducer for Hats Caps Sweatband - Image 3](https://m.media-amazon.com/images/I/71yhGHCTMiL.jpg)
![12 PCS Hat Size Reducers, Hat Inserts to Make Smaller, Felt Cap Size Reducer Tape Black and White Hat Sizing Tape Hat Size Reducer for Hats Caps Sweatband - Image 4](https://m.media-amazon.com/images/I/81Ny2tI72wL.jpg)
![12 PCS Hat Size Reducers, Hat Inserts to Make Smaller, Felt Cap Size Reducer Tape Black and White Hat Sizing Tape Hat Size Reducer for Hats Caps Sweatband - Image 5](https://m.media-amazon.com/images/I/81hSFmBDlBL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Worked perfectly
*by A***R on 13 November 2025*

Excellent product for helping my hat fit properly. Used one at the front and one at the back. Stuck in perfectly under hat band.

### ⭐⭐⭐⭐⭐ Seem to work well
*by S***A on 13 April 2026*

I have used 2 to make hat more secure & thought ghdy might not stick but they have.

### ⭐⭐⭐⭐ Sticks well inside a hat and comfortable
*by S***N on 16 November 2024*

Worked well to tighten my Tilley hat and feels comfortable Incidentally a strip of it makes a great fly patch for fly fishing . See photo ! Also can be used to make home made fly boxes

## Frequently Bought Together

- 12 PCS Hat Size Reducers, Hat Inserts to Make Smaller, Felt Cap Size Reducer Tape Black and White Hat Sizing Tape Hat Size Reducer for Hats Caps Sweatband
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- The Hat Company Mens Cotton Fedora A232

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*Product available on Desertcart Austria*
*Store origin: AT*
*Last updated: 2026-09-05*