3D photo Viewer 1>paperboard,Custom LOGO 2>Stereoscopic effect 3>foldable,cheap 4>picture viewers 3D photo Viewer Description:Item No:WIN-VD009Size:15x9.5cm(folded size)Material:1>Paperboard,with 4C printing or custom.2>acryl lens,stereoscopic effectMOQ:2000 pairsCapability:1,000,000pairs/month.Material Safety:Eco-friendly,meet EN-71,ASTM,CPSIA requirement.OEM & ODM:OEM & ODM is acceptable. ...