The comb made of advanced ABS PTE materialAvoid tangles and hair frizz, keep your hair smooth.Suitable for all hair types,curly or straight,long or short,thick or thin,dry or wet etc.Keep air pressure balanced by air hole. Bring added elasticity and comfortable massage enjoyment.High Quality Comb Massage Scalp Stimulates Blood Flow bringing Healthy Nutrients to the Hair Follicels, For Healthy Hair Scalp,Improve Hair Growth, Prevent Hair Loss.Oval shape, exquisite pattern appearance, easy to handleSpecifications:Weight:40gSize:8.5*6.5*4cmComb Material:PlasticColor:as the picture showsoptionalPackage Included:1 x Hair CombNotes:Due to the difference between different monitors, the pictures may not reflect the actual color of the item.Compare the detail sizes with yours, please allow 1-3cm error, due to manual measurement.Please leaving a message before you give the bad feedback, if the products have some problems.Thanks for your understandings.