The outer surface is the tough kraft and the inner is bubble; Two-layer structure, lightweight and environmental-friendly; Dropwise inner can prevent the goods from being damaged during the delivery; it can also protect the goods from moisture and shock and provide optimal protection. Smooth bubble wrap which is easy to put the goods into; Safe and reliable adhesive closure; Customer can choose the color of the paper according to the application, colorful words and pictures can be printed on it; Sizes: Min.: 120mm*120mm; Max.: 500mm*800mm; it can be customized according to your request; Recyclable; Applications: profile, medicine, jewelry, medical appliance, photographer apparatus, electronic product, disk, etc.