Experience all-day comfort and style with this 12-pack of shirt collar extenders, designed to discreetly add extra space to tight collars. Each set includes 3 styles (black, white, and silver zinc alloy) with 4 pieces per style—perfect for matching various shirt designs for both men and women. Measuring just 10mm in diameter, these compact extenders stay hidden under your collar or tie, preserving a clean, professional appearance. Each piece provides ½ to 1 inch of extra room, giving you breathing space without the need to buy new shirts. The easy, no-sew design allows quick attachment—just loop over your existing button and you're ready to go. Crafted from durable zinc alloy and high-strength plastic, these button extenders resist wear, stretching, and deformation for long-term use. Ideal for business meetings, weddings, or everyday comfort, they make your wardrobe more flexible and your day more comfortable.