mōng gwó bīng sā
芒果 is mango. 冰 is ice and 沙 is sand (same word as used in lava custard 流沙), so 冰沙 is ice sand, and 草莓冰沙 is mango ice sand.
Mango flavored slush.
slush
lychee slush
passionfruit slush
strawberry slush