Lightweight, elastic waistband. Nothing really to complain about except that the price was a bit high ($18), but I'd happily pay around $8-10. Enjoy!
𧲠Wurkin Stiffs Plastic Magnetic Men's Accessories and Collar Stays for Stiff N Stay
8 Review
π Ultimate Flexibility with Premium Extender Expandable Elastic America Men's Accessories
9 Review
Stiffs Wurkin: Premium π Assorted Brass Collar for Polished Style
9 Review
π Premium Plastic Collar Stays - Assorted Sizes in Crisp White Finish
9 Review