diff --git a/server/src/lib/pdf.ts b/server/src/lib/pdf.ts
index aaec709..510671d 100644
--- a/server/src/lib/pdf.ts
+++ b/server/src/lib/pdf.ts
@@ -1,8 +1,15 @@
-import puppeteer from "puppeteer";
+import puppeteer, { PaperFormat } from "puppeteer";
 
 import { env } from "../config/env.js";
 
-export async function renderPdf(html: string) {
+interface PdfOptions {
+  format?: PaperFormat;
+  width?: string;
+  height?: string;
+  margin?: { top?: string; right?: string; bottom?: string; left?: string };
+}
+
+export async function renderPdf(html: string, options?: PdfOptions) {
   const browser = await puppeteer.launch({
     executablePath: env.PUPPETEER_EXECUTABLE_PATH,
     headless: true,
@@ -14,7 +21,10 @@ export async function renderPdf(html: string) {
     await page.setContent(html, { waitUntil: "networkidle0" });
 
     const pdf = await page.pdf({
-      format: "A4",
+      format: options?.width || options?.height ? undefined : (options?.format || "A4"),
+      width: options?.width,
+      height: options?.height,
+      margin: options?.margin,
       printBackground: true,
       preferCSSPageSize: true,
     });
diff --git a/server/src/modules/documents/router.ts b/server/src/modules/documents/router.ts
index 3964de6..f5658d7 100644
--- a/server/src/modules/documents/router.ts
+++ b/server/src/modules/documents/router.ts
@@ -219,7 +219,7 @@ function buildShippingLabelPdf(options: {
         </div>
       </body>
     </html>
-  `);
+  `, { width: "4in", height: "6in", margin: { top: "0", right: "0", bottom: "0", left: "0" } });
 }
 
 function buildBillOfLadingPdf(options: {