Warning Opening this package will cause extreme happiness stickers labels

These "Warning Opening this package will cause extreme happiness" stickers are perfect for adding a touch of fun to your shipping labels/packages. These stickers are great for adding a personal touch to your packages and putting a smile on your customer's face. These stickers are perfect for businesses in the packing and shipping industry. They are easy to use and will help to make your packages stand out. Add them to your inventory of address and shipping labels, and shipping labels and tags. Your customers will love receiving their packages with these stickers on them.