1.) A random postcard with sticker attached! (optional positive message or blank)
2.) An envelope full of goodies, choose a theme or have it remain a mystery!
3.) A package filled with more and perhaps bigger things, great for holidays or birthdays!
Examples of what could be coming to your mailbox
stickers, decorative papers, balloons, encouraging notes, stationary, crafts, photos, handmade items, toys, party supplies, candy, cards with your message or a provided sentimental message on it, ect...