This 3d Viewer, Made From High-quality Abs Plastic, Offers an Engaging & Nostalgic Experience Through Customizable Paper Slides. the Viewer Measures 13*9, While the Included Slides Have a Diameter of 9cm. It Comes in a Compact Package Measuring 13.5*9.5*8, Making It Portable & Easy to Store. Ideal for Branding, the Viewer Can be Personalized with Your Logo or Design Using Silk-screen Print. a Great Choice for Corporate Gifts, Educational Tools, or Promotional Items, It Provides Interactive Fun for All Ages, Making Every Viewing Experience Memorable.