5x5 Lace closure is where the closure of the lace is 5 inches wide and 5 inches long. It's big enough to do free parting. Our closures are made of 100% Virgin Human Hair, so they can be styled exactly like your own hair. Blow dry it, iron it, curl it- just be sure to use a heat protectant spray! Loose wave hair is neither too tight nor too straight. Comparing it to the style of body wave hair, its curls are smaller and tighter. The reason why most users prefer loose hair is that they are normally fluffier and more natural.