Corsage/Boutonniere Magnetic Design Disk - 3 Pack Corsage / Boutonniere Magnetic Design Disk - 3 Pack 3 Pack Design Disk. Silicon pad measures 1.25" L X 1.5" W. The silicone platform with magnetic back piece is perfect for corsages or boutonnieres applications! Add flowers with our adhesive glue and you are ready to accent any boutonniere look. The rectangle flexible silicone can be uses as a base to attached flowers with our adhesive glue. Note of Caution: Magnets can interfere with Medical Implants such as Heart Pacemaker or other electronic equipment.