---
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: "NT$305"
currency: TWD
in_stock: true
reviews_count: 8
category: "Siyupu"
url: https://www.desertcart.tw/products/531488757-12-pcs-hat-size-reducers-hat-inserts-to-make-smaller
store_origin: TW
region: Taiwan
---

# 11x2 cm 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:** NT$305
**Availability:** ✅ In Stock

## Summary

> 🎩 Perfect fit, zero compromise—wear your confidence!

## 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?** NT$305 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/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

- • **Comfort Meets Function:** Soft foam material ensures all-day wear without irritation.
- • **Custom Fit, Every Time:** Easily adjust your hat size with precision using 12 foam inserts.
- • **Dual-Color Convenience:** Black and white tapes blend seamlessly with any hat style.
- • **Effortless Application:** Simply stick inside your hat—no tools or hassle required.
- • **Universal Compatibility:** Designed to fit most hats and caps for versatile use.

## Overview

This 12-piece set of black and white foam hat size reducer tapes measures 11x2 cm each, providing an easy, comfortable way to customize your hat fit. Designed for universal compatibility, these inserts stick inside most hats and caps, ensuring a snug, stylish fit without sacrificing comfort.

## Description

Shop 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. Free delivery and returns on all eligible orders.

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: Hat inserts - I like the fact my hat now fits, the inserts were a little thick so I only used one. Very pleased with the result.

## 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 |
| Batteries included? | No |
| Best Sellers Rank | 68,677 in Fashion ( See Top 100 in Fashion ) 3,550 in Men's Accessories |
| Brand | SIYUPU |
| Color | White |
| Customer Reviews | 4.0 4.0 out of 5 stars (141) |
| Date First Available | 15 April 2023 |
| Department | Unisex |
| Manufacturer | yundong-UK |
| Material type | Plastic |
| Package Dimensions | 12 x 10.8 x 1.2 cm; 10 g |
| Size | M |
| Style | 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)

## 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.

### ⭐⭐⭐⭐ Hat inserts
*by S***. on 15 December 2024*

I like the fact my hat now fits, the inserts were a little thick so I only used one. Very pleased with the result.

### ⭐⭐⭐⭐⭐ Good product
*by A***R on 6 March 2025*

Easy to use and works well.

## 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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**Shop now:** [https://www.desertcart.tw/products/531488757-12-pcs-hat-size-reducers-hat-inserts-to-make-smaller](https://www.desertcart.tw/products/531488757-12-pcs-hat-size-reducers-hat-inserts-to-make-smaller)

---

*Product available on Desertcart Taiwan*
*Store origin: TW*
*Last updated: 2026-05-25*