diff --git a/app/Controllers/Admin/SalesReport.php b/app/Controllers/Admin/SalesReport.php
index 8cb6239..518297f 100644
--- a/app/Controllers/Admin/SalesReport.php
+++ b/app/Controllers/Admin/SalesReport.php
@@ -77,6 +77,36 @@ class SalesReport extends BaseController
             }
         }
 
+        // 크기별(리터/금액) 조회 — 품목명에서 크기 토큰 추출(예: 10L, 1000원)
+        $sizeOf = static function (string $name): string {
+            if (preg_match('/(\d+)\s*[lL]/u', $name, $m) === 1) {
+                return $m[1] . 'L';
+            }
+            if (preg_match('/([\d,]+)\s*원/u', $name, $m) === 1) {
+                return str_replace(',', '', $m[1]) . '원';
+            }
+            return '';
+        };
+        // 현재(카테고리 필터까지 적용된) 결과에서 선택 가능한 크기 목록 구성
+        $sizeOptions = [];
+        foreach ($filtered as $row) {
+            $sz = $sizeOf((string) ($row->bs_bag_name ?? ''));
+            if ($sz !== '') {
+                $sizeOptions[$sz] = true;
+            }
+        }
+        $sizeOptions = array_keys($sizeOptions);
+        usort($sizeOptions, static function (string $a, string $b): int {
+            $na = (int) preg_replace('/\D/', '', $a);
+            $nb = (int) preg_replace('/\D/', '', $b);
+            return $na <=> $nb;
+        });
+
+        $size = trim((string) ($this->request->getGet('size') ?? ''));
+        if ($size !== '') {
+            $filtered = array_values(array_filter($filtered, static fn ($row): bool => $sizeOf((string) ($row->bs_bag_name ?? '')) === $size));
+        }
+
         if ($mode === 'daily') {
             $built = $this->buildDailyLedgerPresentation($filtered, $hasBsFee);
         } else {
@@ -169,6 +199,8 @@ class SalesReport extends BaseController
             'dsIdx'             => $dsIdx,
             'saIdx'             => $saIdx,
             'cats'              => $cats,
+            'sizeOptions'       => $sizeOptions,
+            'size'              => $size,
             'shops'             => $shops,
             'agencies'          => $agencies,
             'lgName'            => $lgName,
diff --git a/app/Views/admin/sales_report/sales_ledger.php b/app/Views/admin/sales_report/sales_ledger.php
index d047e00..96318be 100644
--- a/app/Views/admin/sales_report/sales_ledger.php
+++ b/app/Views/admin/sales_report/sales_ledger.php
@@ -115,6 +115,15 @@ $excelUrl = mgmt_url('reports/sales-ledger?' . http_build_query($exportParams));
             <?= esc($catLabels[$ck] ?? $ck) ?>
           </label>
         <?php endforeach; ?>
+        <span class="inline-flex items-center gap-1 ml-2 pl-3 border-l border-gray-200">
+          <span class="text-xs text-gray-600">크기</span>
+          <select name="size" class="border border-gray-300 rounded px-2 py-1 text-sm">
+            <option value="">전체</option>
+            <?php foreach (($sizeOptions ?? []) as $sz): ?>
+            <option value="<?= esc($sz, 'attr') ?>" <?= ($size ?? '') === $sz ? 'selected' : '' ?>><?= esc($sz) ?></option>
+            <?php endforeach; ?>
+          </select>
+        </span>
       </div>
     </fieldset>
     <div>