Last updated: October 17, 2026 · Written by Fuse Gunbangkok
KYDEX It is a thermoplastic sheet, a blend of acrylic and PVC, manufactured by SEKISUI KYDEX (USA). When heated, it softens and can be precisely molded to the shape of the firearm. When cooled, it hardens and retains its shape. Therefore, it is commonly used to make holsters, magazine pouches, and knife sheaths. Its main advantages are... Securely locks the gun, does not retain sweat/moisture, and is easy to clean. This is well-suited to Thailand's hot and humid climate. It's important to know that the gun's surface may naturally show signs of abrasion (holster wear) due to the hard holster design.
Those in the firearms and tactical equipment industry are likely familiar with the term KYDEX. However, many may still wonder what this material is and why it has become the primary choice for manufacturing holsters and other equipment accessories today. This article summarizes its properties, advantages, limitations, and comparisons with other materials, based on the real-world holster manufacturing experience of the GUN BANGKOK team.
What is KYDEX?
KYDEX is a high-quality thermoplastic. Made from a mixture of acrylic, which provides hardness and shape retention, and polyvinyl chloride (PVC), which provides toughness and impact resistance. “KYDEX” is a trademark of SEKISUI KYDEX, LLC in the United States.
When the sheet material is heated until softened, it can be precisely pressed into the dimensions of the firearm or device. Once cooled, the material retains its original shape rigidly, without shrinking or warping. Typical handgun holsters use sheets approximately 0.080 inches (about 2 mm) thick.
4 Key Features of KYDEX Holsters
The reason this material is popular for manufacturing...Inside and outside waistband holsters. The main factors stem from their unique characteristics, as follows:
- Strong and highly durable: Tough, not brittle or easily broken, resistant to impact and compression, suitable for heavy-duty use.
- Thin, lightweight, and sharply form-fitting: It can be thinned while maintaining strength, resulting in a lightweight, non-bulky holster that fits snugly to the dimensions of the firearm, producing a clear "click" locking sound.
- Does not retain moisture: Unlike leather holsters, KYDEX does not absorb water, sweat, or moisture, significantly reducing the chance of rust on the firearm's surface. This is crucial for those who carry their firearms daily in the hot and humid climates of Bangkok and southern Thailand.
- Resistant to environmental conditions: Resistant to chemicals and gun cleaning oils; does not easily deform when exposed to heat during typical use.
What are KYDEX commonly used for?
Thanks to its long service life and ease of maintenance, KYDEX is used in many industries.
- Gun holsters and magazine pouches: Take advantage of the fit and the securely covered trigger guard for safety.List of gun models supported by GUN BANGKOK.
- Knife sheaths and EDC (Everyday Carry) equipment: Knife sheath, flashlight pouch, or multi-purpose tool case.
- Automotive parts and medical equipment: Interior decorations for aircraft and cars, as well as medical equipment cases, are easy to clean and disinfect.
Compare KYDEX to other materials.
| section | KYDEX | Leather | Injection molded plastic |
|---|---|---|---|
| A snug fit with the gun model. | Perfectly molded for the specific model, very snug fit. | Tight when new, loosens over time. | Usually standard/universal size. |
| Moisture/Sweat retention | Don't suck on it. | Absorbs moisture | Don't suck on it. |
| Long-term shape retention | Maintains its shape throughout its lifespan. | Soft and saggy after prolonged use. | Some types become crispy when exposed to sunlight. |
| The feeling of carrying it around. | It's stiff; you might need to adjust the angle to fit your body. | Soft, classic | strong |
| Marks on the gun's surface | Holster wear is naturally possible. | less | It is possible. |
Compared to a leather case: Leather holsters offer a soft and classic look, but they absorb moisture, and over time they soften and become saggy, reducing trigger guard protection and gun locking ability. KYDEX, on the other hand, maintains its shape throughout its lifespan. Read more: KYDEX inside-the-waistband holster vs. leather holster: Which should law enforcement officers choose? and Standard KYDEX holster vs. holster with leather lining.
Compared to regular plastics: Injection-molded plastic bags are often produced in standard sizes in bulk, so they aren't as snug, and some types of plastic may be more brittle and crack easily when exposed to sunlight or impact.
Things to know before choosing a KYDEX holster.
- Holster Wear: Due to the hard material, the gun's surface may develop abrasions from repeated drawing and removing, which is normal for this type of holster. If you are concerned about this, a holster with a leather lining is another option.
- Must be the correct model: A good holster must be molded specifically for the gun, and if a flashlight is attached, it must be the correct holster for the flashlight model.What is a gun holster with a flashlight attachment?
- Extremely hot: Avoid placing the pouch on the car's dashboard in direct sunlight for extended periods, as it is made of thermoplastic that softens when extremely hot.
- Thai job or overseas job? They differ in price, waiting time, and support for gun models sold in Thailand. Read more: Thai-made KYDEX holsters vs. imported KYDEX holsters.
summarize
KYDEX is a material that is ideal for those who want a holster that... Safe, compact, quick to use, and easy to maintain in the long run. Especially in Thailand's hot and humid climate, it's undeniable that friction marks will appear on the firearm's surface, a natural characteristic of hard holsters. If you prioritize a reliable locking system, a custom-molded KYDEX holster is currently the most cost-effective option.
Frequently Asked Questions
What is KYDEX made of?
KYDEX is a thermoplastic blend of acrylic and PVC, resulting in both rigidity and impact resistance.
Do KYDEX holsters scratch guns?
Natural holster wear may occur from frequent drawing and removing the firearm; this does not damage the gun in use. To reduce wear, you can choose a holster with a leather lining.
Is a KYDEX holster better than a leather holster?
Depending on the application, KYDEX holsters are suitable for those who prioritize security, a reliable lock, quick draw, and ease of maintenance in hot and humid climates. Leather holsters, on the other hand, are ideal for those who appreciate softness and a classic look.
How do you clean KYDEX pouches?
Wipe with a damp cloth or a cloth soaked in mild soapy water, then dry. The material is non-absorbent, so it dries quickly.
Where can I order custom-made KYDEX holsters for my specific model in Thailand?
GUN BANGKOK manufactures custom-fit KYDEX holsters in Thailand, including inside-the-waistband (WB) and outside-the-waistband (SKB) holsters, as well as holsters with flashlight mounts. Inquire about compatible models via LINE @gunbangkok.
About GUN BANGKOK
Custom-made KYDEX holsters in Thailand, established in 2020. We support over 200 pistol models. Molds are designed using 3D scanning. Production time is approximately 7-10 business days, with warranty terms and conditions apply.Price list and warranty information.
Inquire about gun models and place custom orders: LINE @gunbangkok · phone 061 823 9191
