nice design promotional pen with unique sound in pen best gifts for promotion Funny Fart sound Pen : Material :ABS plastic ,Pen and electronic components Function :Funny fart sound is emitted when pressing the pen tip down to write . Custom color and logo are ok to do . The MOQ :5000 PCS The blister packing ,72PCS/inner box ,288PCS/carton , Carton size :57*24*58CM ,G/W :13.0kgs ,N/W :12.00kgs