Jetboil FluxRing 1.0 L Spare Cup FluxRing hard anodized aluminum cooking cup with insulating cozy Drink-through lid with pour spout and strainer Bottom cover doubles as a measuring cup and bowl Companion cups are compatible with Jetboil systems only. Do not use with other heat sources, as it will void the warranty Height: (short) 6 in (tall) 7.1 in. Weight: (short) 10.2 oz (tall) 9.7 oz. Volume: (both) 32 oz.