Hi,
Thank you for contacting our support center.
1. Enable Visual Composer for products you need to go to admin panel -> Visual Composer -> Role Manager -> Post Types -> Custom and enable it for products.
2. Go to Products -> click “edit” on desired product or create a new one.
3. Here you will see description field, click “Backend editor” to see Visual Composer interface and add your own elements as you want.
4. You can place description as we have on our demo. Click “Classic mode” and change tab from “Visual” to “Text”, place the following code there and return to “Backend mode”
[vc_row full_width="stretch_row_content_no_spaces" css=".vc_custom_1451302480371{margin-bottom: 60px !important;}"][vc_column width="1/2"][vc_single_image image="21947" img_size="full" css_animation="left-to-right"][/vc_column][vc_column width="1/2"][vc_single_image image="21948" img_size="full" css_animation="right-to-left"][/vc_column][/vc_row][vc_row full_width="stretch_row_content_no_spaces" css=".vc_custom_1451313253264{margin-bottom: 10px !important;background-image: url(http://demo.xtemos.com/basel/wp-content/uploads/2015/10/extra-product-7.jpg?id=21949) !important;background-position: center !important;background-repeat: no-repeat !important;background-size: cover !important;}"][vc_column css=".vc_custom_1451308823242{padding-top: 100px !important;padding-bottom: 130px !important;}"][vc_single_image image="21957" img_size="full" alignment="center" css_animation="top-to-bottom" css=".vc_custom_1451314015020{margin-bottom: 5px !important;}"][vc_column_text css_animation="left-to-right" basel_color_scheme="light" css=".vc_custom_1451309893492{margin-bottom: 10px !important;padding-right: 10px !important;padding-left: 10px !important;}"]
<h1 style="text-align: center; font-size: 52px; margin-bottom: 0px;"><strong>YOU LOVE HANDMADE MOBILE CASE?</strong></h1>
[/vc_column_text][vc_column_text css_animation="bottom-to-top" css=".vc_custom_1451312846387{padding-right: 10px !important;padding-left: 10px !important;}"]
<p style="text-align: center; color: rgba(255, 255, 255, 0.9); font-size: 15px;">Ullamcorper dolor hendrerit netus vestibulum condimentum parturient velit vestibulum condimentum quisque
conubia scelerisque imperdiet diam elit bibendum adipiscing a est vestibulum dipiscing.</p>
[/vc_column_text][/vc_column][/vc_row][vc_row full_width="stretch_row_content_no_spaces" css=".vc_custom_1451314072539{margin-bottom: 70px !important;}"][vc_column][vc_single_image image="21955" img_size="full" alignment="center" css_animation="bottom-to-top"][/vc_column][/vc_row][vc_row full_width="stretch_row_content_no_spaces" css=".vc_custom_1451313365686{margin-bottom: -40px !important;}"][vc_column width="1/2"][promo_banner image="21959" alignment="center" vertical_alignment="middle" hover="1" style="2" basel_color_scheme="light" img_size="full" link="http://#"]
<h2><strong>MADE WITH LOVE</strong></h2>
[/promo_banner][/vc_column][vc_column width="1/2"][promo_banner image="21958" alignment="center" vertical_alignment="middle" hover="1" style="2" basel_color_scheme="light" img_size="full" link="http://#"]
<h2><strong>AWESOME DESIGN</strong></h2>
[/promo_banner][/vc_column][/vc_row]Hope this will help