This Asobu Bestie Sippy SBV54 insulated stainless steel tumbler holds 24 oz (720 ml) and uses vacuum insulation to keep drinks cold or hot for hours. This sippy cup features a removable silicone character head—available as Bunny, Bear, Cat, or Duck—to make hydration more engaging at school, on road trips, or during playtime. This travel cup is 100% lead and BPA free and combines stainless steel and silicone for safe, durable daily use. This thermal bottle offers a premium, easy-to-clean finish and a sturdy build that appeals to both children and parents.