CGC Strait-Flex® Drywall Corner Flex Tapes form easily to all angles and corners. Will not shrink, blister, tear, sag or wrinkle. Water-resistant and rustproof. Material can be second coated immediately. Does not require fasteners, stapling or any special tools. Slotted edges ensure superior bond. It allows you to create perfect inside and outside 90-degree and angled corners making it ideal for bay windows, coffered ceilings and inside corners where gaps are present. It will install using only half the compound compared to a conventional bead.