"Soy inks" refers to a type of ink that is made from soybeans instead of petroleum. It is an environmentally friendly alternative that reduces pollution and is more sustainable. Full definition
Books printed with soy ink don't yet require warning labels but luckily foods now do. (westonaprice.org)
Eyes: non-toxic plastic safety eyes Nose & ears: natural silk & hemp blend Fur: 100 % organic cotton Filling: sustainable corn fiber & 100 % organic cotton fiber Packaging: 100 % recycled paper printed with soy ink Designed in San Francisco & Handmade in a Certified Organic facility in China Size: 15 x 12 x 4 inches (organicbabygiftboutique.com)
For another, its simple cardboard package is printed with soy ink on recycled paperboard using wind - powered presses. (health.com)