12 Pack of 4"x6" Acrylic Picture Frames, Sign Holders 4x6 Portrait (12, 4X6 in) HIGH QUALITY: This slant back, 4 x 6-Inch sign/Brochure holder is made of clear acrylic, with 2 mm thickness PROFESSIONAL - Our Crystal Clear acrylic sign holder is perfect for any home, classroom, front desk, restaurants and reception areas STYLISH - This simple, no frame design will highlight your photo/sign in a classic way that goes with any style SAFE PACKING AND SHIPPING - Each sign holder is cover with protection film to avoid scratches during shipping; special packaging to ensure no breaking during shipping 100% MONEY-BACK GUARANTEE - WittyOffice products are backed by 100% guarantee that you are fully satisfied with your product or receive your money back