---
product_id: 33876790
title: "(1) 3\" x 3.5\" #14 High Temp Silicone Rubber Powder Coating Paint Masking Plug - Great for Customizing YETI, RTIC, Ozark Cups and Tumblers"
brand: "high temp masking supply"
price: "€ 18.92"
currency: EUR
in_stock: true
reviews_count: 8
url: https://www.desertcart.com.cy/products/33876790-1-3-x-3-5-14-high-temp-silicone-rubber
store_origin: CY
region: Cyprus
---

# Fits 3"-3.5" diameter cups perfectly Withstands up to 600°F heat Durable, flexible & reusable silicone (1) 3" x 3.5" #14 High Temp Silicone Rubber Powder Coating Paint Masking Plug - Great for Customizing YETI, RTIC, Ozark Cups and Tumblers

**Brand:** high temp masking supply
**Price:** € 18.92
**Availability:** ✅ In Stock

## Summary

> 🔥 Seal the deal with the ultimate high-temp silicone plug!

## Quick Answers

- **What is this?** (1) 3" x 3.5" #14 High Temp Silicone Rubber Powder Coating Paint Masking Plug - Great for Customizing YETI, RTIC, Ozark Cups and Tumblers by high temp masking supply
- **How much does it cost?** € 18.92 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.cy](https://www.desertcart.com.cy/products/33876790-1-3-x-3-5-14-high-temp-silicone-rubber)

## Best For

- high temp masking supply enthusiasts

## Why This Product

- Trusted high temp masking supply brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Reusable & Rugged:** Built to last through countless projects—your go-to masking solution
- • **Universal Fit Plug:** Tapered design seals all threaded or unthreaded holes from 3" to 3.5" effortlessly
- • **Chemical & Wear Proof:** Premium silicone resists chemicals, fading, and hardening over time
- • **Heat-Resistant Mastery:** Endures scorching 600°F temps without cracking or shrinking
- • **Multi-Tasking Essential:** Ideal for powder coating, painting, anodizing, plating, and media blasting

## Overview

This 3" x 3.5" high-temp silicone rubber masking plug is engineered for professionals customizing popular tumblers like YETI and RTIC. It withstands heat up to 600°F, fits a wide range of cup diameters, and offers durable, flexible, and reusable protection during powder coating, painting, and other finishing processes. Designed for longevity and chemical resistance, it’s the premium choice for flawless masking every time.

## Description

Powder Pro Coating Supply silicone plugs are a great fit for the powder coater, custom painter, scientist, handy man, media blaster or anyone who needs premium quality plugs. While most commonly used for masking purposes during finishing, there are hundreds of other uses around the shop, home, lab, classroom, etc. This superior grade of silicone is capable of withstanding temps up to 600 degrees Fahrenheit (315 Celsius) for 20 minutes and holds up to most chemicals. It is ultra tough yet flexible, reusable and will not crack, harden, shrink or break over time. All of our premium silicone goods are color coded for ease of use and the color will never bleed or fade.

## Features

- Fits most common 20 oz cups and tumblers
- Excellent for masking parts during powder coating, painting, anodizing, plating, media blasting, etc
- Withstands heat up to 600 degrees F - Durable, flexible, rugged and reuasable - Coatings won't stick
- Dimensions: Bottom diameter = 3.00", Top diameter = 3.50", Height = 1.50"
- Tapered style stopper allows plug to fit all threaded or unthreaded holes between 3" and 3.5"

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Powder Pro Coating Supply |
| Brand | High Temp Masking Supply |
| Item Weight | 6.4 ounces |
| Package Dimensions | 3.5 x 3.5 x 1.5 inches |
| Item model number | 5RTK |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | PPCS-HTP14-1 |

## Images

![(1) 3" x 3.5" #14 High Temp Silicone Rubber Powder Coating Paint Masking Plug - Great for Customizing YETI, RTIC, Ozark Cups and Tumblers - Image 1](https://m.media-amazon.com/images/I/813pAPlT4ZL.jpg)
![(1) 3" x 3.5" #14 High Temp Silicone Rubber Powder Coating Paint Masking Plug - Great for Customizing YETI, RTIC, Ozark Cups and Tumblers - Image 2](https://m.media-amazon.com/images/I/815UMXGllpL.jpg)
![(1) 3" x 3.5" #14 High Temp Silicone Rubber Powder Coating Paint Masking Plug - Great for Customizing YETI, RTIC, Ozark Cups and Tumblers - Image 3](https://m.media-amazon.com/images/I/71pQfc8W1sL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Very good product
*by L***D on September 1, 2023*

Use it to block bottom air vent on my Pit-Barrel-Cooker meat smoker, and save remaining charcoal.

### ⭐⭐⭐⭐⭐ Awesome Plug!
*by B***A on April 9, 2022*

Great item. Would definitely buy again.

### ⭐⭐⭐⭐ Exactly As Described
*by L***N on November 30, 2017*

Yep. It's a silicone stopper.

---

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**Shop now:** [https://www.desertcart.com.cy/products/33876790-1-3-x-3-5-14-high-temp-silicone-rubber](https://www.desertcart.com.cy/products/33876790-1-3-x-3-5-14-high-temp-silicone-rubber)

---

*Product available on Desertcart Cyprus*
*Store origin: CY*
*Last updated: 2026-02-06*