Kalama mmiri egwuregwu a nwere ahịrị okirikiri ma dịkwa larịị, imewe n'ozuzu ya dabara na ergonomics, ịdị nro na curvature zuru oke, yana mmetụta aka mara mma.Mgbe ị na-eme mgbatị ahụ n'èzí, ịgba ígwè, ma ọ bụ na-agba ọsọ, ị nwere ike were ya soro gị mgbatị ọ bụla.Emebere ikike 750ml iji gboo mkpa mmiri ọ drinkingụ drinkingụ gị, n'ezie, ị nwekwara ike hazie nha ọ bụla masịrị gị.