Meterial is synthetic fiber. Best quailty.     The accessory of the internal reticulum: top grade net hat from abroad. (having been texted safe)     The size of the wig:one-size-fits-all (there are 2 hooks, which can adjust the size and suitable for people of all ages)       It can be washed. If you want wash your wig. Mixed with a mild shampoo. Use of conditioner in final rinse water is desirable. Let dry,then comb or brush. The style will resume original state.       Useful time:1-2 years Payment: Shipping cost(to worldwide): FREE(10-25 days arrive) Seller high recommend PAYPAL as payment method.Please sent payment in 7 days after you win the bidding. If you are still bid items,please let me know,and we will sent you invoice when you purchase all item you like. After service: 100% money refund or free exchange,if you were not pleased with it. Free exchange or resend,if it was damaged or lost on shipping way. Please don't leave negative or neutral feedbcak,if any problem with my product, You should contact me first,i am sure everything could be solved by communication. VISIT MY STORE Necklace Bracelet Earring Pendant Ring Set Minority Other