The Blue Boulder Case Company Waterproof Box is a rugged field case designed to keep your device safe in any environment. With a size of six and a half inches by four inches, it provides ample space for your phone and accessories. The blue color adds a stylish touch to the durable design, making it both functional and fashionable for any outdoor adventure. Compatible with model 4, this case ensures a secure fit for your device while protecting it from water and impacts.