... . we can offer any kinds of envelopes,envelope making machines, cd sleeves ect. material : any material is available, ( paper, craft ... ,logo, is acceptable.welcome to visit our factory. Please feel free to contact me for details.Guangzhou Jinyou Envelope Paper Craft ... ( peel and seal ,self adhesive, ect) ,envelope making machines,cd sleeves/bags, red packets,tea bags, document bags,greeting cards ...