16″ and Under Laptop Biodegradable Sustainable Retention Packaging-(5ct Bundle) This pack is constructed from heavy duty 44 ECT C-Flute corrugated that has been previously recycled, and utilizes a biodegradable film membrane to stabilize the laptop in the center of the box. Dividers that are connected to the retention tray allow for a space to insert accessories. Designed around ISTA standards & practices, this packaging will ensure that your sensitive equipment will arrive safely to its destination. Simply slide the laptop under the film, and rotate the wings under the tray to add film tension to the unit. Insert into the box with the side walls folded up and tape your box closed. This packaging is curbside recyclable. No need to remove the film, just toss it in the bin! Sold as a 5 count bundle which includes: x5 Retention trays, x5 Boxes (per bundle) Can fit laptops or various items that are 15 1/2″ x 11 1/4″ x 1 3/4″ or smaller (outside dimensions)