With a rounded bottom and weighted shaker ball, the larger capacity Contigo Shake & Go Fit Snap-Lid Shaker Bottler, 28 oz., reduces the clumps and buildup common with other shaker bottles. Its leak-proof lid allows for no-mess shaking and mixing on the go and features an integrated carrying handle for easy transport. Convenient volume markings offer accurate measuring and tracking. Fits most car or treadmill cup holders and is dishwasher-safe on the top rack.