Color: Black Material: Polyester, Nylon Quantity: 2 pieces Size: XS Recommended weight: 44-51 kg Firm fit: 59-64cm Relaxed everyday use: 54-59cm Features: (1) Built-in 4 special springs to firmly support the abdomen and waist! (2) 6-step adjustment x 13 rows of hooks for moderate tightening and waist shaping! You can adjust the tightening in 6 steps according to your physical condition and the occasion! The highly elastic fabric firmly wraps the flesh on your sides to create a waist. (3) OK to wear all the time! It's a waist type, so there's no need for troublesome putting on and taking off! Unlike the corrective underwear that covers the buttocks, there is no need to take it off when using the toilet. (4) Doesn't show under clothes, so you can wear it every day! The thin and highly elastic fabric doesn't show under clothes, so you won't have trouble choosing clothes when wearing it. (5) Can be worn all season & for various purposes! The mesh material is breathable, so you can wear it comfortably even in summer or at work.