This is a thin light leather but pliable. Looks good enough to me; let's see how long it lasts. I love the stretchy aspect, that's the stretchy fabric that's sandwiched between the strap and the buckle; gives a snug fit without being too restrictive.
π Premium Plastic Collar Stays - Assorted Sizes in Crisp White Finish
9 Review
220 Plastic π Collar Stays for Organized Closet
9 Review
π Ultimate Flexibility with Premium Extender Expandable Elastic America Men's Accessories
9 Review
𧲠Wurkin Stiffs Plastic Magnetic Men's Accessories and Collar Stays for Stiff N Stay
8 Review