About This Practical hair styling tools: package comes with 24 pieces of long perm rods, and 1 piece of steel rat tail comb, easy-to-use hair dressing tools for you to DIY beautiful hairstyles, you can also share it with your family and friends to enjoy the DIY fun together Specific size information: the cold wave rods are approx. 3.27 inches/ 8.3 cm in length, the diameter is approx. 0.87 inch/ 2.2 cm, appropriate size for you to apply and easily to create beautiful curls for different types of hair Simple operate steps: just use the rat tail comb to separate a small handful of slightly damp or dry hair, and wrap it on the rods; Then use the rubber band to fix it, does not require heating, no harm to the hair; Just wait for a while, you can make a natural curling hairstyle, adjust the direction of starting roll hair in or out can create various hair wave Safe and reliable: our no heat hair rollers are made of quality plastic material, which are durable, non-slip and long-lasting, safe to use and do no harm to your hair; Each hair roller has several vents for better saturation, helping you create beautiful hair styling like wavy hair, curly hair, fluffy hair, etc Practical for daily use: the plastic hair curling rollers are easy to operate, and widely applied in hair salons and personal use at home; You can create various hairstyles with these hairdressing tools and make full use of your spare time; Also a nice gift for friend and sisters at birthday or other occasions Overview Item Form : Rod Hair Type : Normal Number of Items : 25 Material : Plastic Size : 0.87 Inch