Material: The deep interchangeable picture frame is constructed with high-quality, shiny acrylic glass and an MDF frame, ensuring a clear view of your artwork. Unique design features double-fixed picture mounting and a black elastic band with metal pins for displaying and changing artwork effortlessly. Easy to use: This object frame includes a magnetic switch for convenient opening and closing, along with a sawtooth hanger on the back for horizontal or vertical positioning. A mat and adhesive for additional attachment are also provided. Exquisite artworks: The picture frame serves as a perfect memory box for showcasing and storing children's pictures, baby photos, postcards, scrapbooking, concert tickets, collections, or other keepsakes. Create your own unique art piece to enrich your life and commemorate your children, family, or friends. Size: Inner frame: 22 * 31 * 1cm, suitable for A4 Outer frame size: 24x32 * 2cm This frame can hold about 50-150 children's drawings for deep filling.