COMFORTABLE & ELASTIC MATERIALS Our shirt stays are made of highly elastic nylon/polyester and spandex materials for high elasticity, flexibility, comfort and skin-friendly. You can wear them with confidence, even in summer, they won't irritate your skin. They are perfect for men's and women's everyday shirts, formal shirts and professional shirts, which will make your dress look more appropriate.. A size suit for all people, it can be adjusting the size of the shirt sholder ring according to the size of your leg, adjusting the length of the strap according to the length of your shirts, it can always keeping your shirt straight.NON-SLIP DESIGNEach of our shirt stay has 3 non-slip locks (6 clips per set) to keep your shirt neatly inserted. The plastic hoist lock and metal duckbill buckle are coated with a gel that holds the shirt tightly to prevent it from slipping, keeping your shirt straight and protecting your shirt from damage.RECONFIGURABLE LOCKS Reconfigurable lock design, which can effectively prevent your clip from accidentally falling off for some reason in daily use and can not continue to use. If you accidentally get the buckle off during the use of our shirt clips, don't worry, this is not a quality issue and you can reassemble them for reuse.