Which industries use custom printed A2 envelopes?

A2 envelopes are used in almost every industry that sends cards or small notes:

• Weddings and events: RSVPs, reply cards, save-the-dates and thank-you notes
• Photographers: client thank-you cards, gift certificates and small print deliveries
• Florists and gift shops: enclosure cards and gift messages
• Restaurants and hospitality: gift certificates, loyalty cards and VIP invitations
• Salons and spas: gift cards and appointment cards
• Real estate and mortgage: closing thank-yous, "just sold" cards and open house invitations
• Dental, medical and veterinary: appointment reminders and referral thank-yous
• Retail and e-commerce: packing inserts, discount and review request cards
• Nonprofits and churches: donor thank-yous and gala RSVPs
• Financial, insurance and legal: client birthday and holiday cards
• Corporate and HR: employee recognition and new hire welcome cards