The Super Sparrow Standard Mouth water bottle is up to any task and yes, you can fit ice cubes in it. It comes with two replaceable caps: straw cap and bamboo cap, which are leak-proof and make it easy to sip on the move. Made with 18/8 pro-grade stainless steel to ensure pure taste and no flavor transfer - and the durable construction stands up for whatever life brings. Their unique double wall vacuum insulation protects temperature for hours, cold drinks stay icy cold and hot drinks stay piping hot so you can stay refreshed for any adventure.