BolderGlass is the ONLY Authorized GRAV Retailer for eBay and Amazon.GRAV will only honor their lifetime warranty for returns and exchanges from BolderGlass, and no other Seller. Height: 4"Features: Its open body allows for plenty of diffusion, while the narrow opening at the spout of the carton prevents splashback. Includes: 14mm Cup Bowl Works well with: 0.5" water FREE RETURNS & EXCHANGESDISCREET SHIPPING in an unmarked, plain brown box or padded envelope. The Sender's name is BG, which has a PO Box addressTop Seller Seal — Look for it on all our listings