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, Finger Brace for Injuries and Support, Trigger Finger Splint, Trio 3-Pack, Sizes 10, 11, 12

Product ID: 150612907

Details

Brand
Brace On
Color
Clear Beige
Size
3 Piece
Specific Uses For Product
Mallet Finger
Use for
Hand

💧waterproof & durable

⚙️dual-angle adjustable design

🖐️3 sizes for perfect fit

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Description

🖐️ Support your hustle, one finger at a time!

FLIP FIX COMFORT - Innovative dual-angle design lets you switch between snug or relaxed fit in seconds, adapting to your daily demands.
SLEEK SUPPORT ALL DAY - Low-profile, lightweight construction means you can wear it discreetly from work meetings to workouts without missing a beat.
TAILORED FIT EVERY TIME - Three distinct sizes (10, 11, 12) ensure your finger gets the precise support it needs—no compromises.
BUILT FOR LIFES HUSTLE - Waterproof and tough materials stand up to handwashing, exercise, and everyday wear—support that keeps pace with you.
VERSATILITY MEETS CONVENIENCE - Ideal for mallet, trigger, crooked, or hypermobile fingers, this trio pack covers all your bases with expert precision.

The Brace On EZ Finger Splint Trio Pack offers adjustable, durable, and waterproof finger support in three sizes, designed to aid mallet, trigger, crooked, and hypermobile fingers. Its dual-angle design provides customizable comfort, while the low-profile build ensures all-day wearability for professionals balancing recovery with an active lifestyle.

Specifications

ASIN	B07S6Z733T
Best Sellers Rank	#55,412 in Health & Household ( See Top 100 in Health & Household ) #73 in Finger Splints
Brand Name	Brace On
Color	Clear Beige
Customer Reviews	4.2 4.2 out of 5 stars (1,109)
Item Dimensions	5 x 3 x 1 inches
Item Weight	1 Ounces
Manufacturer	Brace On
Material	Plastic
Size	3 Piece Assortment
Specific Uses For Product	Mallet Finger,Crooked,Hypermobility,Trigger Finger
Target Use Body Part	Hand
UPC	726481279833
Unit Count	1.0 Count

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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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$14.47

Duties & taxes included

In stock

Sold byAmazon British Virgin IslandsDelivered 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 British Virgin Islands.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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