Kraft and cardstock the best materials used to manufacture custom window boxes of customized sizes and shapes. However, cardstock and Kraft have robust properties with grippy spaces that make the packaging top of the world. Because some products kept in bottles like perfumes which made up of glass so, the gripping packaging protects from tackling the side walls. https://monicaharper78.wixsite.com/customproductboxes/post/back-to-fiction-what-i-am-reading-this-summer