diff --git a/change/@fluentui-web-components-2021-01-04-10-10-23-users-v-sedono-fix-height-clamp-box-sizing-select.json b/change/@fluentui-web-components-2021-01-04-10-10-23-users-v-sedono-fix-height-clamp-box-sizing-select.json
new file mode 100644
index 0000000000000..96be09cdf97a6
--- /dev/null
+++ b/change/@fluentui-web-components-2021-01-04-10-10-23-users-v-sedono-fix-height-clamp-box-sizing-select.json
@@ -0,0 +1,8 @@
+{
+  "type": "patch",
+  "comment": "add height clamp and box sizing for select",
+  "packageName": "@fluentui/web-components",
+  "email": "sethdonohue@Admins-MBP.guest.corp.microsoft.com",
+  "dependentChangeType": "patch",
+  "date": "2021-01-04T18:10:23.659Z"
+}
diff --git a/packages/web-components/src/select/select.styles.ts b/packages/web-components/src/select/select.styles.ts
index 950632c0ecbeb..86bf7699eb84c 100644
--- a/packages/web-components/src/select/select.styles.ts
+++ b/packages/web-components/src/select/select.styles.ts
@@ -25,8 +25,10 @@ export const SelectStyles = css`
         background: ${neutralFillInputRestBehavior.var};
         border-radius: calc(var(--corner-radius) * 1px);
         border: calc(var(--outline-width) * 1px) solid ${neutralOutlineRestBehavior.var};
+        box-sizing: border-box;
         color: ${neutralForegroundRestBehavior.var};
         contain: contents;
+        height: calc(${heightNumber} * 1px);
         position: relative;
         user-select: none;
         min-width: 250px;