Marware today announced that it will begin retail sales of its for the iPod shuffle. Sport Grip singles, which have been shipping for over a month, will now be available in commercial packaging for $10, while new a 3-pack will be available for $25. Made of resilient silicone, it kesps the Shuffle cap secure; offers easy access to the front/rear toggles; and allows for synching without complete removal. It also includes an attachment ring and carabiner. Sport Grip 3 packs are available Red/Blue/Black or White/Gray/Black. In addition to the attachment ring and carabiner, the 3 packs include a silicone lanyard. Singles are availabe in Red, Orange, Yellow, Green, Blue, Plum, Pink, White, Gray, and Black.