Black cats studs are perfect for Halloween. They are 3D printed in PLA, an eco-friendly, plant-based plastic made from sugarcane and corn. The posts are hypoallergenic stainless steel. They will be sent to you a sturdy white card, 100% recycled paper. All jewelry is carefully paper and cardboard shipping materials, not plastic! Happy to include a gift note, just let us know what you would like it to say.