Americanflat Front Loading Kids Art Frame in Black – 8.5×11 Picture Frame with Mat and 10×12.5 Without Mat – Kids Artwork Frames Changeable Display – Frames for Kids Artwork Holds 100 Pieces Display: Perfect for 8.5×11 inch artworks with mat or 10×12.5 without mat; actual mat opening is 8×10.5 inches; insert artwork under elastic straps inside the frame for storage. These art frames for kids art can hold up to 100 pieces of artwork.