Main Features:<br />3M 1100 bullet style professional acoustic earplugs<br />Transformable earplugs， convenient for wearing<br />Good protection for audition<br />Good for studying and sleeping<br /><br />    Specifications<br />General<br />	 Brand Name: 3M                                                  <br />                        Model: 1100                                                	<br />Dimension and Weight<br />	 Product weight: 0.004 kg                                                  <br />                        Package weight: 0.020 kg                                                  <br />                        Product size (L x W x H): 4.00 x 1.00 x 1.00 cm / 1.57 x 0.39 x 0.39 inches                                                  <br />                        Package size (L x W x H): 2.30 x 1.50 x 1.50 cm / 0.91 x 0.59 x 0.59 inches                                                	<br />Package Contents<br />	 Package Contents: 2 x Earplug                                                	<br /><br /><br /><br />                                            <br />                                                <br />