Stiff Stays - Limited Edition Sapphire Collection Collar Stays (4 Pair Combo Set w/ Bonus Glass Storage Vial) Bonus: Complimentary Glass Storage Vial Includes: 8 Collar Stays (2 Pairs of Standard Size & 2 Pairs of Extended Size) Finish: Highly Polished with Sapphire Color Plating Material: Premium 316L Stainless Steel Thickness: 1.0MM