Silicone Gel Skin BLACK Sleeve Rubber Soft Cover Case for SAMSUNG T839 SIDEKICK 4G (T-MOBILE) [WCC924] Provides your Samsung T839 T-Mobile Sidekick 4G the maximum protection against scratches and scuffs. Made with grade A silica gel, this case is not only durable and long lasting, but also equips the Samsung T839 T-Mobile Sidekick 4G with a soft and comfortable surface. Pre-cut openings allows full access to all features. It is user-friendly, and super easy to install. For: Samsung T839 T-Mobile Sidekick 4G.