Premium Quality lace closure is a 5x5" top closure that will give you an invisible undetectable hairline. Lace Top Closures, also known as Top Closures, are used to close wefts, tracks or extensions at the front of your hairline. Density: 120%, Lace Color: Transparent Lace Size: 5x5, Lace Material: Swiss Lace. Knots are NOT bleached. Your stylist will need to customize.