Adjustable Collar Extender & Wonder Button for Shirts - Comfortable Neck Size Extension for Men & Women - Perfect for Formal Wear, Business Attire & Tight Collars

Product Description

• Adds up to 1/2 a size
• Slips on easily
• Stainless Steel spring
• Nylon stretch stop inside spring
• Cannot be seen behind tie

The "Wonder Button" is the perfect solution for extending a shirt collar when it's feeling snug.