Blue Bonnets (8 Flowers with envelope, notecard display sample). Each pop up flower card includes a small blank coordinating notecard. Each case includes a display sample. These mail anywhere in the US with just 4 Forever stamps.Native to Texas, the Blue Bonnet is a beloved bloom. Its striking sapphire petals symbolize bravery and empathy. Accompanied by fragrant gardenia and dahlias, this elegant gesture is perfect for the inspiring and creative individuals in your life.