---
product_id: 540613436
title: "COUKIU Self Adhesive Baseboard Corner Blocks, 4inch(Width)3 Inside + 3 Outside Corners-Connector Between The Wall Base Cove Base Rubber Moulding Trim, Perfect Match for Our S100 Baseboard(Black)"
brand: "coukiu"
price: "R$247"
currency: BRL
in_stock: true
reviews_count: 8
url: https://www.desertcart.com.br/products/540613436-coukiu-self-adhesive-baseboard-corner-blocks-4inch-width-3-inside
store_origin: BR
region: Brazil
---

# Eco-friendly materials 4" width Self-adhesive install COUKIU Self Adhesive Baseboard Corner Blocks, 4inch(Width)3 Inside + 3 Outside Corners-Connector Between The Wall Base Cove Base Rubber Moulding Trim, Perfect Match for Our S100 Baseboard(Black)

**Brand:** coukiu
**Price:** R$247
**Availability:** ✅ In Stock

## Summary

> Transform Your Corners with Ease! 🏡

## Quick Answers

- **What is this?** COUKIU Self Adhesive Baseboard Corner Blocks, 4inch(Width)3 Inside + 3 Outside Corners-Connector Between The Wall Base Cove Base Rubber Moulding Trim, Perfect Match for Our S100 Baseboard(Black) by coukiu
- **How much does it cost?** R$247 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.br](https://www.desertcart.com.br/products/540613436-coukiu-self-adhesive-baseboard-corner-blocks-4inch-width-3-inside)

## Best For

- coukiu enthusiasts

## Why This Product

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

## Key Features

- • **Perfect Match:** Designed to complement S100 Baseboard Molding Trim flawlessly.
- • **Durable Quality:** Crafted from high-quality plastic for long-lasting use.
- • **Seamless Corners:** Achieve flawless connections with tailor-made corners.
- • **Eco-Conscious Choice:** Low-odor, pollution-free materials for a healthier home.
- • **Effortless Installation:** Self-adhesive design makes setup a breeze.

## Overview

The COUKIU Self Adhesive Baseboard Corner Blocks are designed for effortless installation and a perfect fit with S100 Baseboard Molding Trim. This accessory kit includes 3 inside and 3 outside corners, made from durable, eco-friendly plastic. With a width of 4 inches, these corner blocks ensure seamless connections while promoting a healthier living environment.

## Description

COUKIU Self Adhesive Baseboard Corner Blocks, 4inch(Width)3 Inside + 3 Outside Corners-Connector Between The Wall Base Cove Base Rubber Moulding Trim, Perfect Match for Our S100 Baseboard(Black)

## Features

- QUALITY AND MATERIAL: Model S100 Accessory Kit. Mainly used for the connection of baseboards at corners.The accessory kit contains 3 inside corners and 3 outside corners, the width is 4inch. Made of high quality plastic, hard and durable. color: Black. The color is perfectly matched with our S100 Baseboard Molding Trim through professional calibration, no color difference. This will be your best solution to the troubles of making corners.
- PRECISE FIT: Our corners are tailor-made based on our S100 Baseboard Molding Trim, perfectly matching our Molding Trim. They fit perfectly into every corner, ensuring a seamless connection. (Note: Our corners are suitable for 4INCH WIDE WALL BASES WITH TOES but cannot guarantee a perfect match with other wall bases with similar shapes on the market)
- EASY TO INSTALL: The corners are designed with self-adhesive, just tear off the white film to install. Very simple! Before installing the corner, you need to install the baseboard on the wall first, cut it at the corner, and then paste our corner. This will be good news for those who are not good at hands-on!
- GREEN AND POLLUTION-FREE: We focus on sustainable development and environmental protection, and our products use materials and paints that meet the highest quality and environmental standards. All the paints used are low in odor and do not pose any harm to the human body even during prolonged use.
- PRODUCT AND SERVICE GUARANTEE:We are a professional building materials manufacturer dedicated to producing high-quality products. If you encounter any issues upon receiving the goods, please contact us as soon as possible. Our friendly customer service is always here to support our products and will respond to all emails within 24 hours.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | COUKIU |
| Part Number | ‎tjx-4in-accessory-Black |
| Item Weight | 2.39 ounces |
| Product Dimensions | 4 x 1 x 1 inches |
| Country of Origin | China |
| Item model number | ‎tjx-4in-accessory-Black |
| Size | 4inch(Width) |
| Color | Black |
| Material | Plastic |
| Installation Method | self-_adhesive |
| Batteries Included? | No |
| Batteries Required? | No |

## Images

![COUKIU Self Adhesive Baseboard Corner Blocks, 4inch(Width)3 Inside + 3 Outside Corners-Connector Between The Wall Base Cove Base Rubber Moulding Trim, Perfect Match for Our S100 Baseboard(Black) - Image 1](https://m.media-amazon.com/images/I/61AarTwezUL.jpg)
![COUKIU Self Adhesive Baseboard Corner Blocks, 4inch(Width)3 Inside + 3 Outside Corners-Connector Between The Wall Base Cove Base Rubber Moulding Trim, Perfect Match for Our S100 Baseboard(Black) - Image 2](https://m.media-amazon.com/images/I/61abfgdSNkL.jpg)
![COUKIU Self Adhesive Baseboard Corner Blocks, 4inch(Width)3 Inside + 3 Outside Corners-Connector Between The Wall Base Cove Base Rubber Moulding Trim, Perfect Match for Our S100 Baseboard(Black) - Image 3](https://m.media-amazon.com/images/I/613ccErB19L.jpg)
![COUKIU Self Adhesive Baseboard Corner Blocks, 4inch(Width)3 Inside + 3 Outside Corners-Connector Between The Wall Base Cove Base Rubber Moulding Trim, Perfect Match for Our S100 Baseboard(Black) - Image 4](https://m.media-amazon.com/images/I/71W4wP7c4OL.jpg)
![COUKIU Self Adhesive Baseboard Corner Blocks, 4inch(Width)3 Inside + 3 Outside Corners-Connector Between The Wall Base Cove Base Rubber Moulding Trim, Perfect Match for Our S100 Baseboard(Black) - Image 5](https://m.media-amazon.com/images/I/61HzssbmWHL.jpg)

## Available Options

This product comes in different **Size Name, Color** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ They make corners easy
*by G***. on April 13, 2025*

This is for 4" base....I think they are perfect for there intended purpose

### ⭐⭐⭐⭐⭐ Best basement finishing
*by J***R on August 20, 2024*

I recently remodeled my finished basement. I did not want wood touching the cement floor. I saw this product. Went up easy and very happy

### ⭐ Waste of Money
*by R***R on October 13, 2024*

Check the photos carefully. I have 3 kinds of baseboards. These didn't fit tight on any of them. And the adhesive strip is not very sticky. Wasted my money.

## Frequently Bought Together

- COUKIU Self Adhesive Baseboard Corner Blocks, 4inch(Width)3 Inside + 3 Outside Corners-Connector Between The Wall Base Cove Base Rubber Moulding Trim, Perfect Match for Our S100 Baseboard(Black)
- Vinyl Wall Base Baseboard Molding Trim 4" Flexible Self Adhesive Rubber Wall Base Moulding Trim Peel and Stick Design, 4 Inch x 20 Feet, Black

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*Product available on Desertcart Brazil*
*Store origin: BR*
*Last updated: 2026-02-15*