FLAT BUCKLE: Lays flat under fitted tops to provide an instant slimming effect. Virtually invisible belt under clothes. Also, the elastic is super soft and stretchy! Great alternative to a traditional belt. BELT LOOPS NOT REQUIRED: The inner portion of the belt has a non-slip silicone lining to help the belt stay in place. Great for those constantly pulling up and adjusting tights, leggings, or yoga pants. Just place the belt around the waistband and adjust, the silicone grip will hold the belt in place. Feel free to also use with JEANS, just feed the belt through the loops as you would a typical belt, will keep those pesky jeans in place all day! Belt is 1" wide so it fits through belt loops. AIRPORT SECURITY and METAL ALLERGY FRIENDLY. This belt has no metal parts like a traditional belt which makes it perfect for wearing to the airport to avoid removal by security. Also great for those who have metal allergies. Also a great belt for pregnancy or those fluctuating in weight. No need to get a brand new wardrobe anymore, this belt does the trick! *SIZE CHART: All belts are USA size 00-16 and will stretch up to 49", and 1" wide. We offer a PLUS SIZE OPTION IN BLACK ONLY. You can find it when you select your color: BlackPLUS. Plus Size will fit USA 16-28 and stretches to 57", and is 1.25" wide. Packaging states it is one size fits most, however we only recommend the Plus Size for 16+, otherwise the silicone will be covered by adjusting too small.