If you need it, I recommend NOT to buy rubber bands. It stretches to the point where there is no reason to have 3 buttonholes, you have to use the narrowest hole and then it stretches to the point where the pant is too loose.
220 Plastic π Collar Stays for Organized Closet
9 Review
π Revolutionize Your Style with Fashion Anchor Pack Collar Stays
8 Review
40 Metal Collar Stays Box
π Ultimate Flexibility with Premium Extender Expandable Elastic America Men's Accessories
Nathan Zipster Running Waist Black Men's Accessories
60 Review
Nylon Salmon Belts with Steel Buckle
51 Review
Tipsy Elves Santa Spinner Festivities Men's Accessories for Belts
58 Review
Optimized Classic Leather Ratchet Click Men's Accessories and Belts
50 Review