do these work on the thumb?

It depends on how long your thumb is I have really short fat fingers and had to return these and make my own splint

how do I know what size to get, I see no guidance for this.

There is a pdf file link in the full product description. It asks you to print out a sizing band at default printer settings. However, using a new Brother printer, it printed out 1/16 of an inch too small, and I had to bump it up to 103% to make it match the 3½" marker on the printout.

Are these very rigid or semi-flexible? Could I type while wearing it?

They are Rigid n strong. I use one on my pinky n one on my thumb and I type all day on & off with these. I have RA and when my fingers are swollen n stuff, to bend them gives me extreme pain !! So I bought these splints to prevent my fingers from bending you can take them off, move them around. Also another note: I have bigger sizes, there’s one where it comes w/ 32 sizes on a big round keychain. When my fingers r swollen or if ur finger is Broke, you will go they several different sizes. So getting the 3 pack in ur size is perfectly fine, but you may need a few in the sizes before & after I hope this helps !! Good Luck !!

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Brace On EZ Finger Splint - Trio 3-Pack (10,11,12)

Brace On EZ Finger Splint - Trio 3-Pack (10,11,12)

Product ID: 442287056

Details

Age range (description)
Adult
Brand
Brace On
Size
3 Piece
Specific uses for product
Mallet Finger
Use for
Hands

💧Waterproof & reusable for daily wear

📏3 sizes (10,11,12) for perfect fit

🔄Reversible dual-angle for custom comfort

17637CFA

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Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Desertcart purchases this item on your behalf and handles shipping, customs, and support to Senegal.

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Description

🖐️ Support your fingers, not your style—sleek, smart, and always ready.

TAILORED FIT TRIO - Three graduated sizes ensure the perfect fit for any finger, from thumb to pinky.
FLIP FIT COMFORT - Dual-angle reversible design lets you switch between snug or relaxed support effortlessly.
ALL DAY ACTIVE WEAR - Designed for continuous use during work, exercise, and rest—support that keeps up with you.
BARELY THERE SUPPORT - Lightweight, low-profile splint stays close to your finger—no bulky straps or tape needed.
WATERPROOF DURABILITY - Wear it confidently through handwashing or showers without losing support or shape.

The Brace On EZ Finger Splint Trio Pack offers adults a versatile, lightweight solution for finger support with three sizes (10, 11, 12) to fit any finger. Its innovative reversible dual-angle design provides customizable comfort without bulky straps or tape. Made from durable waterproof material, these splints can be worn daily through handwashing and showers, making them ideal for managing mallet finger, trigger finger, arthritis, and other joint issues while maintaining an active lifestyle.

Specifications

ASIN	B07S6Z733T
Age Range Description	Adult
Best Sellers Rank	#151,472 in Health ( See Top 100 in Health ) #313 in Finger Splints
Brand Name	Brace On
Closure Type	Pull On
Color	Clear Beige
Customer Reviews	4.1 4.1 out of 5 stars (2,099)
Hand Orientation	Left or Right
Item Dimensions	12.7 x 7.6 x 2.5 centimeters
Item Form	Brace
Item Weight	1 Ounces
Manufacturer	Brace On
Material	Plastic
Number of Items	3
Product Care Instructions	Hand Wash Only
Size	3 Piece Assortment
Special Features	Lightweight
Specific Uses For Product	Mallet Finger, Trigger Finger, Crooked Finger, Arthitis, and Finger Joint Issues
Sport Type	All sports
Target Use Body Part	Hands
UPC	726481279833

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Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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TrustScore 4.5 | 7,300+ reviews

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Fantastic experience overall. Will recommend to friends and family.

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The delivery time was excellent, and the packaging was secure.

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17637CFA

Duties & taxes included

In stock

Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Senegal.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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Received my product in pristine condition. Great service overall.

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