vanki 1 pc Skull Skeleton Airsoft Hunting Biker Ski Half Face Protect Gear Mask,Black & Silver The mask and strap connect together in 5 seconds very easily.It is make of a strong plastic. Very comfey to wear. The strap is adjustable and elastic. The strap is very nice imo. Usually, you will get it actually in 9~19 days, If you are in the USA and the item is NOT Fulfilled by Amazon. the item will be sent to you by USPS with shipping information from China. The estimated delivery time offered by Amazon is not the real time. Your patience is highly appreciated. Hope you will receive your item soon and enjoy using it. Very cool design and well made. Durable yet comfortable. About us (vanki), Professional factory, welcome to our store for more choices with best price. What we pursue is your satisfication of our service, not just for our goods.For any reason you are unsatisfied with our product at any time, simply contact support for exchange or refund. we will reply you about any question you ask within 24 hours