1. Material: rubber 2. Size: 4 x 4.4cm 3. Weight: about 50g 4. Do you like making fake farts to embarrass others? Then you absolutely need this smart gadget! Just squeeze it and the air inside rushes out, creating a highly simulated fart sound! Funny farts are at your fingertips. 5. Operation method: the vent hole is about 2-3cm behind the end of the thumb, then squeeze, adjust the position and the speed of the squeeze to make different sounds
