diff --git a/ShoppingCommonProtos/metadata/Type/Types.php b/ShoppingCommonProtos/metadata/Type/Types.php
index b0f3259bdbf..e9a56532be3 100644
Binary files a/ShoppingCommonProtos/metadata/Type/Types.php and b/ShoppingCommonProtos/metadata/Type/Types.php differ
diff --git a/ShoppingCommonProtos/src/Type/Price.php b/ShoppingCommonProtos/src/Type/Price.php
index d54d15dc6e6..769212ad4d8 100644
--- a/ShoppingCommonProtos/src/Type/Price.php
+++ b/ShoppingCommonProtos/src/Type/Price.php
@@ -19,8 +19,6 @@ class Price extends \Google\Protobuf\Internal\Message
      * The price represented as a number in micros (1 million micros is an
      * equivalent to one's currency standard unit, for example, 1 USD = 1000000
      * micros).
-     * This field can also be set as infinity by setting to -1.
-     * This field only support -1 and positive value.
      *
      * Generated from protobuf field <code>optional int64 amount_micros = 1;</code>
      */
@@ -43,8 +41,6 @@ class Price extends \Google\Protobuf\Internal\Message
      *           The price represented as a number in micros (1 million micros is an
      *           equivalent to one's currency standard unit, for example, 1 USD = 1000000
      *           micros).
-     *           This field can also be set as infinity by setting to -1.
-     *           This field only support -1 and positive value.
      *     @type string $currency_code
      *           The currency of the price using three-letter acronyms according to [ISO
      *           4217](http://en.wikipedia.org/wiki/ISO_4217).
@@ -59,8 +55,6 @@ public function __construct($data = NULL) {
      * The price represented as a number in micros (1 million micros is an
      * equivalent to one's currency standard unit, for example, 1 USD = 1000000
      * micros).
-     * This field can also be set as infinity by setting to -1.
-     * This field only support -1 and positive value.
      *
      * Generated from protobuf field <code>optional int64 amount_micros = 1;</code>
      * @return int|string
@@ -84,8 +78,6 @@ public function clearAmountMicros()
      * The price represented as a number in micros (1 million micros is an
      * equivalent to one's currency standard unit, for example, 1 USD = 1000000
      * micros).
-     * This field can also be set as infinity by setting to -1.
-     * This field only support -1 and positive value.
      *
      * Generated from protobuf field <code>optional int64 amount_micros = 1;</code>
      * @param int|string $var
diff --git a/ShoppingCommonProtos/src/Type/Weight.php b/ShoppingCommonProtos/src/Type/Weight.php
new file mode 100644
index 00000000000..755cc80f58f
--- /dev/null
+++ b/ShoppingCommonProtos/src/Type/Weight.php
@@ -0,0 +1,131 @@
+<?php
+# Generated by the protocol buffer compiler.  DO NOT EDIT!
+# source: google/shopping/type/types.proto
+
+namespace Google\Shopping\Type;
+
+use Google\Protobuf\Internal\GPBType;
+use Google\Protobuf\Internal\RepeatedField;
+use Google\Protobuf\Internal\GPBUtil;
+
+/**
+ * The weight represented as the value in string and the unit.
+ *
+ * Generated from protobuf message <code>google.shopping.type.Weight</code>
+ */
+class Weight extends \Google\Protobuf\Internal\Message
+{
+    /**
+     * Required. The weight represented as a number in micros (1 million micros is
+     * an equivalent to one's currency standard unit, for example, 1 kg = 1000000
+     * micros).
+     * This field can also be set as infinity by setting to -1.
+     * This field only support -1 and positive value.
+     *
+     * Generated from protobuf field <code>optional int64 amount_micros = 1;</code>
+     */
+    protected $amount_micros = null;
+    /**
+     * Required. The weight unit.
+     * Acceptable values are: kg and lb
+     *
+     * Generated from protobuf field <code>.google.shopping.type.Weight.WeightUnit unit = 2;</code>
+     */
+    protected $unit = 0;
+
+    /**
+     * Constructor.
+     *
+     * @param array $data {
+     *     Optional. Data for populating the Message object.
+     *
+     *     @type int|string $amount_micros
+     *           Required. The weight represented as a number in micros (1 million micros is
+     *           an equivalent to one's currency standard unit, for example, 1 kg = 1000000
+     *           micros).
+     *           This field can also be set as infinity by setting to -1.
+     *           This field only support -1 and positive value.
+     *     @type int $unit
+     *           Required. The weight unit.
+     *           Acceptable values are: kg and lb
+     * }
+     */
+    public function __construct($data = NULL) {
+        \GPBMetadata\Google\Shopping\Type\Types::initOnce();
+        parent::__construct($data);
+    }
+
+    /**
+     * Required. The weight represented as a number in micros (1 million micros is
+     * an equivalent to one's currency standard unit, for example, 1 kg = 1000000
+     * micros).
+     * This field can also be set as infinity by setting to -1.
+     * This field only support -1 and positive value.
+     *
+     * Generated from protobuf field <code>optional int64 amount_micros = 1;</code>
+     * @return int|string
+     */
+    public function getAmountMicros()
+    {
+        return isset($this->amount_micros) ? $this->amount_micros : 0;
+    }
+
+    public function hasAmountMicros()
+    {
+        return isset($this->amount_micros);
+    }
+
+    public function clearAmountMicros()
+    {
+        unset($this->amount_micros);
+    }
+
+    /**
+     * Required. The weight represented as a number in micros (1 million micros is
+     * an equivalent to one's currency standard unit, for example, 1 kg = 1000000
+     * micros).
+     * This field can also be set as infinity by setting to -1.
+     * This field only support -1 and positive value.
+     *
+     * Generated from protobuf field <code>optional int64 amount_micros = 1;</code>
+     * @param int|string $var
+     * @return $this
+     */
+    public function setAmountMicros($var)
+    {
+        GPBUtil::checkInt64($var);
+        $this->amount_micros = $var;
+
+        return $this;
+    }
+
+    /**
+     * Required. The weight unit.
+     * Acceptable values are: kg and lb
+     *
+     * Generated from protobuf field <code>.google.shopping.type.Weight.WeightUnit unit = 2;</code>
+     * @return int
+     */
+    public function getUnit()
+    {
+        return $this->unit;
+    }
+
+    /**
+     * Required. The weight unit.
+     * Acceptable values are: kg and lb
+     *
+     * Generated from protobuf field <code>.google.shopping.type.Weight.WeightUnit unit = 2;</code>
+     * @param int $var
+     * @return $this
+     */
+    public function setUnit($var)
+    {
+        GPBUtil::checkEnum($var, \Google\Shopping\Type\Weight\WeightUnit::class);
+        $this->unit = $var;
+
+        return $this;
+    }
+
+}
+
diff --git a/ShoppingCommonProtos/src/Type/Weight/WeightUnit.php b/ShoppingCommonProtos/src/Type/Weight/WeightUnit.php
new file mode 100644
index 00000000000..c51ac683e3c
--- /dev/null
+++ b/ShoppingCommonProtos/src/Type/Weight/WeightUnit.php
@@ -0,0 +1,64 @@
+<?php
+# Generated by the protocol buffer compiler.  DO NOT EDIT!
+# source: google/shopping/type/types.proto
+
+namespace Google\Shopping\Type\Weight;
+
+use UnexpectedValueException;
+
+/**
+ * The weight unit.
+ *
+ * Protobuf type <code>google.shopping.type.Weight.WeightUnit</code>
+ */
+class WeightUnit
+{
+    /**
+     * unit unspecified
+     *
+     * Generated from protobuf enum <code>WEIGHT_UNIT_UNSPECIFIED = 0;</code>
+     */
+    const WEIGHT_UNIT_UNSPECIFIED = 0;
+    /**
+     * lb unit.
+     *
+     * Generated from protobuf enum <code>POUND = 1;</code>
+     */
+    const POUND = 1;
+    /**
+     * kg unit.
+     *
+     * Generated from protobuf enum <code>KILOGRAM = 2;</code>
+     */
+    const KILOGRAM = 2;
+
+    private static $valueToName = [
+        self::WEIGHT_UNIT_UNSPECIFIED => 'WEIGHT_UNIT_UNSPECIFIED',
+        self::POUND => 'POUND',
+        self::KILOGRAM => 'KILOGRAM',
+    ];
+
+    public static function name($value)
+    {
+        if (!isset(self::$valueToName[$value])) {
+            throw new UnexpectedValueException(sprintf(
+                    'Enum %s has no name defined for value %s', __CLASS__, $value));
+        }
+        return self::$valueToName[$value];
+    }
+
+
+    public static function value($name)
+    {
+        $const = __CLASS__ . '::' . strtoupper($name);
+        if (!defined($const)) {
+            throw new UnexpectedValueException(sprintf(
+                    'Enum %s has no value defined for name %s', __CLASS__, $name));
+        }
+        return constant($const);
+    }
+}
+
+// Adding a class alias for backwards compatibility with the previous class name.
+class_alias(WeightUnit::class, \Google\Shopping\Type\Weight_WeightUnit::class);
+