Features: 【Soft Sponge】Using soft foam, there is no terrible smell. These hair curl sponges are lightweight and suitable for home travel use. 【Double Sided】You will receive 4pcs double-sided hair curl sponges in different sizes for meeting different hair length.  【4 Sizes】Larger sponges are better for slightly longer hair, and smaller wavy sponges are better for slightly shorter hair, making it more frizzy and long-lasting. 【How to Use】 First, you need to apply a twist and lock gel or your regular styling gel to your slightly damp hair or apply some of your styling product to the sponge. Second, using sponge to circular motions on your head, within minutes, you will have the hairstyle you want. 【More Tips】Available for boys and girls, but please note that this tool works best on hair that is only slightly damp. When doing circular motions, please move in one direction only and do not press heavily on the hair. Specifications: Material: Sponge Color: Black Size: (Approx)(LxWxH) 12x7x4cm/4.7x2.7x1.57inch,  11x7x7cm/4.3x2.7x2.7inch,  14x10x6.5cm/5.5x3.9x2.5inch,  14x10x6.5cm/5.5x3.9x2.5inch Hole DIA: (Approx) 1cm/0.39inch Package Included: 4pcs/set x Hair Sponge Brushes  Note:  1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 0.5-2 cm differences due to manual measurement.