http://www.promosmall.com Self promotion idea. I have always loved the idea of sewing a closure - but in addition, you could sew your business card on the outside of a package/mailer
Hemisphere Passive Amplifier
The speaker's elegant semi-spherical shape allows Hemisphere to amplify the sound coming from the speakers of any iPhone or iPod model. Handcrafted in Italy, this glazed ceramic item amplifies sound solely through the acoustic properties of its material and form. It also serves to decorate spaces. 27 x 22 x 30. Compatible with iPhone 5S, 5C, 5, 4S, iPod Touch 4 and 5, 4, Samsung, Nokia, LG. Please allow 1-2 weeks for delivery.