
We bought these a few years ago and they have lasted a while. My husband has worn all 3 in a time or two. Mostly when trying to solve them. The buttons fall off. His shirts are a size 15.5 and he just needs a little more room.

Stainless Steel Collar Stays Shirts
9 Review

π Ultimate Flexibility with Premium Extender Expandable Elastic America Men's Accessories
9 Review

220 Plastic π Collar Stays for Organized Closet
9 Review

π§² Wurkin Stiffs Plastic Magnetic Men's Accessories and Collar Stays for Stiff N Stay
8 Review