Approx. 30mm square brass picture-frame charms, 1.8-2.2mm inner diameter loop. 1.3-1.7mm thick. Fits 25mm image. Top loop not included in overall dimensions. Make collages out of photos, paper, fabric and more! Supplier states that beads and findings are not intended for children’s jewelry or for use by children under the age of 7. Made in the USA.