【Premium Button】: The size of the button is only 10 mm (3/8 in) in diameter and it comes in a 1 pack of 6 collar extenders. 【Shirt neckline】
COCHIC Collar Extenders and Other Innovative Fashion Accessories
Shirt Collar Extender
COMFORT & BREATHE EASY: Those neck extenders are can made your shirts more comfortable to wear and save money from replacing too tight neck shirts,
12pcs, Collar Extenders, Comfy & Premium Invisible Neck Extender, Adds 1 in Instantly, Button Extenders for Mens Dress Shirts Suits Trouser, Coat
COCHIC Collar Extenders and Other Innovative Fashion Accessories
Shirt Collar Extender
Deluxe Dress-Up Wonder Button Collar Extender Adds up to 1/2 inch – New York Man Suits
Pants Button Extender Shirt Collar Extenders: 8 Pcs Jeans Waist Silicone Extender Button for Mens and Women - 6 Pcs Neck Button Extender Collar Extenders for Mens Dress Shirts
Collar Extender, Shirt Extender, Dress Shirt Suit Pants, Coat, Shirt Button Extender Button Extender (Pink Marble)
9Pcs Elastic Collar Extenders for Mens Shirts, Flexible Neck Button Extenders for Dress Shirts Suits Cuffs, Coat, Jeans Pants for Men and Women (Black, White, Silver)
Comfy Clothiers Collar Extender - Men and Women's Shirt Button Extender - Pack of 5 White Expanders with Durable, Soft and Elastic String - Neck Extender for Dress Shirt or Blouse
Shirt Collar Extender
Collar Extender, Shirt Extender, Dress Shirt Suit Pants, Coat, Shirt Button Extender Button Extender (Pink Marble)
C2 Elastic Shirt Collar Extender - 5 Pack Neck Extender for Dress Shirt - Non-Metal Button Extender for Dress Shirts - 3 Sizes: Small, Regular, and Large - Black and White