Photo Booth Instructions Sign - Cardstock. 15 1/2" x 29 1/2" Help guests capture their finest photos with this lighthearted instructional sign. Place this Photo Booth Instructions Sign at your DIY photo booth to inspire your party guests to strike a silly pose. Perfect for wedding receptions, birthday parties and more. Sign reads, "Welcome To The Photo Booth Please Grab a Prop & Strike a Pose." Cardstock. 15 1/2" x 29 1/2" . 1 Sign.