The smell seems to have dissipated over time.
Note that the thickness of the belt may not allow it to go through the belt loops on some pants, although it has worked well for me on jeans so far.
𧲠Wurkin Stiffs Plastic Magnetic Men's Accessories and Collar Stays for Stiff N Stay
8 Review
π Premium Plastic Collar Stays - Assorted Sizes in Crisp White Finish
9 Review
Stiffs Wurkin: Premium π Assorted Brass Collar for Polished Style
9 Review
π Ultimate Flexibility with Premium Extender Expandable Elastic America Men's Accessories
9 Review