So your nuts must be pretty wrinkly by now hah?  Happy birthday! Old balls? Gross. Each card is handmade with high-quality acid-free cardstock using laser-printing, archival adhesive, and embellishments. Cards are all blank inside and are shipped with a recycled envelope in an eco plant-based cellophane sleeve. Card size 4.25 in x 5.5 in a2 Envelope color recycled kraft brown Envelope size 4.375 in x 5.75 in a2 Material paper Inside blank.