Quality Park Business Envelopes come in a bright color to get your mail noticed. This mail product comes in a 25-pack. The Quality Park 11134 Envelopes are ideal for a variety of uses. Mail invitations letters pictures and much more. The vibrant red color makes these envelopes ideal for holidays parties or any occasion. The No. 10 red envelopes are designed to be durable and keep the documents inside of it protected. The product is created from wove paper and features a diagonal seam. The seal on the envelope is gummed for a secure hold.