SOLID AND THICKER - Super clear and high quality material used, 20% thicker blocks than others that can let our frame more stable. Attention please DESKTOP ONLY, CANNOT HANG, a 5x7 inch picture will go to its edges, and a smaller picture will leave a border for a floating effect. EASY TO USE - Two blocks hold the picture together, 4 pairs of magnets to confirm each corner attached exactly, easy to clean and update the picture. Can be used as a single or double sided frame. UV PROTECTION - NIUBEE Acrylic Frames are made of Class A casting acrylic panel, all the frames are UV-resistant which can protect the picture from fading under sun light or fluorescent light. WIDELY USED - Designed for valuable picture, such as postcard, currency, tickets, greeting cards, baby pictures, awards or your wonderful memory.