Item Name : Hair Clip Volume Bumpit;Color : BlackMaterial : Sponge, MetalSize : Big One: 9.4 x 4 x 1.7cm/ 3.7 inch x 1.6 inch x 0.7 inch (L*W*H)Small One: 7.9 x 3.4 x 1.4cm/ 3.1 inch x 1.3 inch x 0.6 inch (L*W*H)Net Weight : 9gThe hair disk will stay firmly within the hair and is the ideal way to lift hairMade of premium silk yarn and spongeLift up the upper part of hair and place the volume hair base under it, on the top of your head.Cover the Volume Hair Base with the hair.Loosen it to make more airy.Package Content : 6 x Hair Volume BumpitOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.