Complete PLA product feed- example with comments

<rss xmlns:g="http://base.google.com/ns/1.0" version="2.0">
<channel>
<title>feedink sample shop</title>
<link>http://www.sampleshop.com</link>
<description>sample shop description</description>
<item>
<g:id>tddy123uk</g:id>
<!-- [1] id has to be unique -->
<title>Mens Pique Polo Shirt</title>
<!-- [1] max 150 chars, rrecommended 70 -->
<description> Solid red, queen-sized bed sheets made from 100% woven polyester 300 thread count fabric. Set includes one fitted sheet, one flat sheet, and two standard pillowcases. Machine washable; extra deep fitted pockets. </description>
<!-- [2] max 5000 chars -->
<g:google_product_category>Apparel & Accessories > Clothing > Dresses</g:google_product_category>
<!-- [2] Google Category: https://www.support.google.com/merchants/answer/1705911 -->
<g:product_type>
<![CDATA[ Clothing > Dresses ]]>
</g:product_type>
<!-- [1] max 750 chars -->
<link>http://www.example.com/asp/sp.asp?cat=12&id=1030</link>
<!-- [1] max 2000 chars -->
<g:mobile_link>http://www.example.com/asp/sp.asp?cat=12&id=1030</g:mobile_link>
<!-- [3] max 750 chars -->
<g:image_link>http://www.example.com/image1.jpg</g:image_link>
<!-- [1] max 2000 chars, recommended size 800x800px -->
<g:additional_image_link>http://www.example.com/image1-add1.jpg</g:additional_image_link>
<!-- [2] max 10 additional images, max 2000 chars, recommended size 800x800px -->
<g:additional_image_link>http://www.example.com/image1-add2.jpg</g:additional_image_link>
<g:additional_image_link>http://www.example.com/image1-add3.jpg</g:additional_image_link>
<g:additional_image_link>http://www.example.com/image1-add4.jpg</g:additional_image_link>
<g:additional_image_link>http://www.example.com/image1-add5.jpg</g:additional_image_link>
<g:additional_image_link>http://www.example.com/image1-add6.jpg</g:additional_image_link>
<g:additional_image_link>http://www.example.com/image1-add7.jpg</g:additional_image_link>
<g:additional_image_link>http://www.example.com/image1-add8.jpg</g:additional_image_link>
<g:additional_image_link>http://www.example.com/image1-add9.jpg</g:additional_image_link>
<g:additional_image_link>http://www.example.com/image1-add10.jpg</g:additional_image_link>
<g:condition>new</g:condition>
<!-- [1] available variants: new, refubrished, used -->
<g:availability>in stock</g:availability>
<!-- [1] available variants: in stock, preorder, out of stock -->
<g:availability_date>2014-12-25T13:00-0800</g:availability_date>
<!-- [3] format YYYY-MM-DDTHH:MM-ZZZZ (T - time separator, ZZZZ - time zone) -->
<g:price>19.00 USD</g:price>
<!-- [1] -->
<g:sale_price>15.00 USD</g:sale_price>
<!-- [2] -->
<g:sale_price_effective_date>2011-03-01T13:00-0800/2011-03-11T15:30-0800</g:sale_price_effective_date>
<!-- [3] -->
<g:gtin>3234567890126</g:gtin>
<!-- [2] max 50 chars, type: 8-, 12-, 13-, or 14-digit number (UPC, EAN, JAN, or ISBN) -->
<g:mpn>F33DINK</g:mpn>
<!-- [3] max 70 chars -->
<g:brand>Acme</g:brand>
<!-- [2] max 70 chars -->
<g:identifier_exists>FALSE</g:identifier_exists>
<!-- [3] available variants: FALSE, TRUE -->
<g:item_group_id>AB12345</g:item_group_id>
<!-- max 50 chars -->
<g:color>Black</g:color>
<!-- [2] max 100 chars, multiple colors devided by "/", Black/Red/White -->
<g:gender>male</g:gender>
<!-- [2] available variants: male, female, unisex -->
<g:age_group>adult</g:age_group>
<!-- [3] available variants: newborn, infant, toddler, kids, adult -->
<g:material>Leather</g:material>
<!-- max 200 chars, multiple material devided by "/", cotton/polyester/elastane -->
<g:pattern>Striped</g:pattern>
<!-- max 100 chars -->
<g:size>XL</g:size>
<!-- [3] max 100 chars -->
<g:size_type>petite</g:size_type>
<!-- available variants: regular, petite, plus, big and tall, maternity -->
<g:size_system>US</g:size_system>
<!-- available variants: US, UK, EU, DE, FR, JP, CN, IT, BR, MEX, AU -->
<g:shipping>
<g:country>PL</g:country>
<g:service>Standard</g:service>
<!-- delivery speed, ex. standard, express -->
<g:price>10.00 PLN</g:price>
</g:shipping>
<g:shipping_weight>3 kg</g:shipping_weight>
<!-- available variants: lb, oz, g, kg -->
<shipping_label>perishable</shipping_label>
<!-- max 100 chars -->
<multipack>6</multipack>
<!-- integer more then 1 -->
<is_bundle>true</is_bundle>
<!-- available variants: TRUE, FALSE -->
<adult>true</adult>
<!-- available variants: TRUE, FALSE -->
<g:adwords_redirect>https://doubleclick.com/?redir=</g:adwords_redirect>
<!-- max 2000 chars -->
<g:custom_label_0>seasonal</g:custom_label_0>
<!-- [2] max 100 chars, max 5 additional fields -->
<g:custom_label_1>clearance</g:custom_label_1>
<g:custom_label_2>holiday</g:custom_label_2>
<g:custom_label_3>sale</g:custom_label_3>
<g:custom_label_4>best seller</g:custom_label_4>
<g:excluded_destination>Shopping</g:excluded_destination>
<!-- recommended value "Shopping" -->
<g:expiration_date>2004-08-19</g:expiration_date>
<!-- [3] format YYYY-MM-DD (10 znaków) -->
<g:unit_pricing_measure>225g</g:unit_pricing_measure>
<!-- [UE only], Numerical value + unit. Weight (mg, g, kg), volume (ml, cl, l, cbm), length (cm, m), and area (sqm) are supported. -->
<g:energy_efficiency_class>A+</g:energy_efficiency_class>
<!-- [UE only], available variants: G, F, E, D, C, B, A, A+, A++, A+++ -->
</item>
</channel>
</rss>