---
product_id: 256322828
title: "SainSmart 21-028-224 Flexible TPU Filament for 3D Printers, 1.75 mm, 1 kg, Blue"
brand: "sainsmart"
price: "$108.94"
currency: USD
in_stock: true
category: "Sainsmart"
url: https://www.desertcart.us/products/256322828-sainsmart-21-028-224-flexible-tpu-filament-for-3d-printers
store_origin: US
region: United States of America
---

# 800g premium spool 1.75mm precise diameter 95A Shore hardness balance SainSmart 21-028-224 Flexible TPU Filament for 3D Printers, 1.75 mm, 1 kg, Blue

**Brand:** sainsmart
**Price:** $108.94
**Availability:** ✅ In Stock

## Summary

> 🖤 Print Bold, Print Flexible — Own the Future of 3D Creativity!

## Quick Answers

- **What is this?** SainSmart 21-028-224 Flexible TPU Filament for 3D Printers, 1.75 mm, 1 kg, Blue by sainsmart
- **How much does it cost?** $108.94 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/256322828-sainsmart-21-028-224-flexible-tpu-filament-for-3d-printers)

## Best For

- sainsmart enthusiasts

## Why This Product

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

## Key Features

- • **Seamless Compatibility:** Works flawlessly with top FDM printers like Creality, Prusa, and more.
- • **Effortless Bed Adhesion:** Enhanced adhesion reduces print failures and curling for flawless results.
- • **Ready-to-Print Profiles:** Pre-configured settings for popular printers get you printing instantly.
- • **Flexibility Meets Durability:** Perfectly balanced 95A Shore hardness for resilient yet flexible prints.
- • **Smooth, Consistent Extrusion:** Dimensional accuracy ±0.05mm ensures bubble-free, warp-resistant layers.

## Overview

SainSmart’s 1.75mm TPU filament spool delivers 800g of high-quality, abrasion-resistant thermoplastic polyurethane with a perfect balance of flexibility and rigidity (95A Shore hardness). Compatible with most FDM 3D printers, it offers smooth extrusion, excellent bed adhesion, and minimal warping, making it ideal for professional-grade flexible prints like phone cases, toys, and drone parts.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00TI3JUTM |
| Additional Features | Flexible, Abrasion Resistant, Excellent Bed Adhesion |
| Brand | sainsmart |
| Brand Name | sainsmart |
| Color | Black/White |
| Colour | Black/White |
| Customer Reviews | 4.6 out of 5 stars 2,759 Reviews |
| Global Trade Identification Number | 06955170883967 |
| Item Diameter | 1.75 Millimeters |
| Item Weight | 0.8 Kilograms |
| Item diameter | 1.75 Millimeters |
| Item weight | 0.8 Kilograms |
| Manufacturer | SainSmart |
| Manufacturer Part Number | 101-90-164 |
| Material | Thermoplastic Polyurethane |
| Material Type | Thermoplastic Polyurethane |
| Model Number | 101-90-164 |
| Number of Items | 1 |
| Special features | Flexible, Abrasion Resistant, Excellent Bed Adhesion |
| Unit Count | 800 Grams |

## Product Details

- **Brand:** sainsmart
- **Colour:** Black/White
- **Item diameter:** 1.75 Millimeters
- **Item weight:** 0.8 Kilograms
- **Material:** Thermoplastic Polyurethane

## Images

![SainSmart 21-028-224 Flexible TPU Filament for 3D Printers, 1.75 mm, 1 kg, Blue - Image 1](https://m.media-amazon.com/images/I/71ofxdpQO3L.jpg)
![SainSmart 21-028-224 Flexible TPU Filament for 3D Printers, 1.75 mm, 1 kg, Blue - Image 2](https://m.media-amazon.com/images/I/71UyF-+2-lL.jpg)
![SainSmart 21-028-224 Flexible TPU Filament for 3D Printers, 1.75 mm, 1 kg, Blue - Image 3](https://m.media-amazon.com/images/I/71w8MXvZN6L.jpg)
![SainSmart 21-028-224 Flexible TPU Filament for 3D Printers, 1.75 mm, 1 kg, Blue - Image 4](https://m.media-amazon.com/images/I/71t6tUVZokL.jpg)
![SainSmart 21-028-224 Flexible TPU Filament for 3D Printers, 1.75 mm, 1 kg, Blue - Image 5](https://m.media-amazon.com/images/I/61uEZcfCnDL.jpg)

## Available Options

This product comes in different **Color** options.

## Frequently Bought Together

- SainSmart TPU Filament 1.75, Blck Flexible TPU 3D Printing Filament, 1.75 mm, 0.8 kg, Dimensional Accuracy +/- 0.05 mm
- SainSmart TPU Filament 1.75 Dark Green Flexible TPU 3D Printing Filament 1.75 mm 250g Translucent Color Dimensional Accuracy +/- 0.05 mm
- SainSmart Neon Color TPU, 1.75mm Flexible TPU 3D Printer Filament 800g, Dimensional Accuracy +/- 0.05 mm, Neon Cyan

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-08-10*