... /Waterproof,shockproof,ultralight,environmental friendly material.3. We have specialized in making Neoprene bags for over 10 years. ... thickness3.5mmCertificationROHS,REACH,CPSIA Packageeach backpack packed in a polybag, then in cartonsUsagefor children camping,hiking,travelling,daily ... after order confirmed, 50% the balance when we show you BL(only for sea transportation);Our Service1.Samples ...