diff --git a/index.d.ts b/index.d.ts
new file mode 100644
index 0000000..422642b
--- /dev/null
+++ b/index.d.ts
@@ -0,0 +1,37 @@
+declare module 'react-simple-flex-grid' {
+    import { HTMLProps, PureComponent } from 'react';
+
+    type JustifyContent = 'start' | 'end' | 'center' | 'space-around' | 'space-between';
+
+    type AlignItems = 'top ' | 'middle ' | 'bottom';
+
+    type Breakpoint = {
+        span?: number,
+        offset?: number,
+    };
+
+    export interface IRowProps {
+        gutter?: number;
+        justify?: JustifyContent;
+        align?: AlignItems;
+    }
+
+    interface IColProps {
+        span?: number;
+        offset?: number;
+        order?: number;
+        xs?: number | Breakpoint;
+        sm?: number | Breakpoint;
+        md?: number | Breakpoint;
+        lg?: number | Breakpoint;
+        xl?: number | Breakpoint;
+    }
+
+    export class Row extends PureComponent<IRowProps & HTMLProps<HTMLDivElement>> {
+
+    }
+
+    export class Col extends PureComponent<IColProps & HTMLProps<HTMLDivElement>> {
+
+    }
+}