... of environmental protective cardboard / paper material, no harm to human body. 2. Profession printing machine and technology. 3. All products are ... packaging bag,etc. 3. Sticker: wall sticker,hologram sticker,cartoon sticker,tattoo sticker,pvc sticker,nail art sticker,mobile phone sticker,window sticker, fridge magnet ,popo sticker,etc. 4. Printing service ...