Cord Elastic Vs Flat Elastic for Face Masks

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In this article, we will talk about the differences between cord elastic and flat elastic for face masks. While both are elastic and durable, they have individual features that make them different from each other. What are these differences? Which of the two works best? These are some of the questions that we will answer in this article. For more tips and information, you can check out the rest of the article below.

What is the difference between cord elastic and flat elastic for face masks? Cord elastic is made to be comfortable against the skin and is ideal for garments that do not require much stress. On the other hand, the flat elastic is stretchable, flexible, and can be used in almost all garments and heavy-duty applications.

This article does not contain any product recommendations. If you are interested in purchasing elastics for face masks, here’s our buying guide with products.

A lot of people are making their own face masks instead of purchasing. They can be as creative as they want in designing the masks and they can also choose the materials to use. On the other hand, most are confused regarding the differences between elastics. Cord elastic and flat elastic are among the popular choices when it comes to making ear loops or ties for masks. Read the article below for more information about the differences between these two elastics.

cord elastic vs flat elastic for face masks

Image by Engin Akyurt from Pixabay

What is Cord Elastic?

Cord elastic is a highly versatile stretchy rope that can be used for making face masks. It is small in diameter which makes it ideal for indoor craft uses and light-duty strapping. Cord elastic is comfortable and soft against the skin. It is commonly used in both jewelry making as well as clothing that does not need as much stretch. The smaller size of cord elastic is ideal for making clothing for babies as well as dolls. It is commonly used for making button loops. Cord elastic should be hand-washed and air dry.

What are the Features of Cord Elastic?

  • Excellent Quality – Cord elastics are made of high-quality materials like polyester fiber which is both soft and durable.
  • Stretchable – It has a wide range of allowable tensile elastic deformation but can easily restore to its original length without deformation.
  • Convenient to Use – Cord elastics are also convenient to use. You can sew the elastic into the fabric of the mask or insert them in a casing. Using scissors, they can be shortened into any length that you prefer.
  • Comfortable – The elastic is also durable and breathable. It has a soft texture that will not hurt your ears and is also soft against the skin. It will feel comfortable even after many hours of use.
  • Washable – Cord elastics can be washed by hand and air dry. You can use gentle laundry detergent when washing the elastic.

What is Flat Elastic?

Flat elastic is flexible and stretchable elastic made from a series of rubber threads that are wrapped in a secondary fiber. These secondary fibers include polyester, nylon, cotton, or a blend of those materials. The combination of fiber content, as well as construction, plays a large role in how much stretch the elastic provides. It also helps to determine which flat elastic material is ideal for the application at hand. Knitted elastic, braided elastic, and woven elastics are all considered as flat elastics.

What are the Features of Flat Elastic?

  • Quality Material – Flat elastics are made by high-quality materials that are thin yet durable. It can stand up to repeated use while maintaining their ability to hold.
  • High Elasticity – it is highly elastic. Within allowable stretch, the elastic can be easily restored to its original length without any deformation.
  • Variety – Flat elastic comes in a wide array of sizes, colors, textures, and lengths. They come in various types as well. Some elastic under the flat elastic category include braided, woven, and knitted.
  • Wide application – It can be used in a wide array of garments like skirts, pants, necklines, sportswear, and many more.
  • Durable – Flat elastic is also durable. It is ideal for heavy-duty garments and can last for a long time even after many uses.

✅ Video – Sew a Mask with Elastic Straps

DarlingAdventures shared the video below on how to make a simple cloth mask using elastics. She is using 2 pieces of elastic for the ear loops. This tutorial is easy to follow and can be done in a few minutes. You can choose any size of elastic that you want for making the mask. She also shows how to pocket filters into the mask for an added layer of protection. Check out the video tutorial below for the visual demonstration.

What is the Difference between Cord Elastic and Flat Elastic for Face Masks?

The main difference between the cord and flat elastic is that the cord elastic is ideal for garments that do not need much stretch while the flat elastic can be used in heavy-duty garments. They are both available in a wide array of colors, sizes, and textures. Cord elastics are usually round in shape and are softer as compared to flat elastics.

For this reason, they are softer against the skin and will not create much friction behind the ears. The edges of the flat elastics can hurt the ski behind the ears because of friction. This can happen most especially after many hours of wearing the mask. A lot of people complain about the redness and irritation behind the ears after wearing a face mask.

Which Elastic is Ideal to Use for Face Masks?

When choosing between cord elastic and flat elastic, you need to weigh out the benefits that you can get from each. If you want elastic that is soft and comfortable against the skin even after many hours of wearing the mask, then you can choose the cord elastic. On the other hand, if you want elastic that is heavy duty and can last for a long time, then you can choose flat elastic. The choice will have to depend on your preferences.

Related Questions

What Size of Cord Elastic Should I Use?

Cord elastic comes in various sizes. The most popular ones are 1mm, 2mm, and 3mm. You can consider the style of the mask that you will make when choosing the size of the elastic. Make sure that you choose a size that is narrow so that it will not feel uncomfortable behind the ears after long hours of use but wide enough that it will not easily break even after many uses. We have also written this article titled, what size of the elastic cord is used for face masks? You can check out the article for more tips and information about the topic.

How do You Attach an Elastic Cord to a Face Mask?

There are many ways to attach the elastic cord into the face mask and this includes sewing the cord directly into the fabric or inserting it into the casing of the mask. Others would glue the ends of the cord into the fabric to keep it in place but this might not be a good idea because it can tear off after many uses.

Another option that you can do to easily adjust the elastic cord is to insert it into the casing of the mask and tie the ends into knots. By doing this, you can easily undo the knots to secure the fit of the mask on your face. You can also check out this article that talks about how to attach an elastic cord to a face mask for more information about the topic.

How Long Should You Cut the Elastic for a Face Mask?

When deciding how long to cut the elastic for a face mask, you can consider your preferences or follow the measurement of the pattern that you are following. There is no standard measurement on how long the elastic should be so it really depends on how long you want it to be.

Just make sure that the face mask will fit perfectly on your face. You can measure the fit of the mask on your face before you sew the elastics. We have also written this article that discusses how long to cut elastics for a face mask. You can check out the article for more tips and information.


You have reached the end of this article that talks about cord elastic vs. flat elastic for face masks. Each of the elastic has its features which makes them different from each other. Cord elastic soft and comfortable to wear but it is ideal only for garments that require soft stretch.

On the other hand, the flat elastic is wider and is also suitable for heavy-duty use. We hope that the information that we have shared in this article will help you learn more about the two elastics and also help you decide which elastic you will use for making face masks. Thank you for reading!

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