Material, 100% polyester Birthday Patches Size, Approximately 2x2 inches per patch (Square shape) Attachment Methods, Can be ironed or sewn, glue on back Origin, Imported quality patches Design, Happy Birthday embroidered patches for each month Versatility, Suitable for hats, caps, jeans, shirts, jackets, backpacks, and more Quality, Detailed stitching on each patch Application, Patches can be heat pressed on our caps Occasion, Ideal for special birthday celebrations and parties each month Season, Appropriate for all seasons Structure, Thick, soft and lightweight material Variety, Available in different colors and styles