Please choose the correct ending to complete the given sentence: Education and Communications: [header] How to pack glass bottles for shipping [title] Use a box large enough to fit the wrapped bottles plus extra padding. [step] Make sure the box is sturdy and free of holes or tears. While you can often obtain used boxes from retailers for free, it's better to buy a new box than use one that's worn or flimsy.

Ending1: While your mistake may be that the resulting box is easily damaged in transit, shipping companies found this box to be extremely small and inexpensive. That said, the box should be big enough to carry four bottles for a very reasonable price. Ending2: [substeps] If the kit doesn't have enough padding, or if there's another item you need at home, you'll be able to order the kit online. [title] Purchase glass jars and lids from a craft store. Ending3: [title] Shape the open end of the box. [step] Pour paint or sealant onto the marked side of the box. Ending4: [title] Find a second box that is 6 inches (15 cm) larger in each dimension. [step] To make your packaging extra secure, it's a good idea to put your bottles inside 2 layers of boxes.

Answer format: ending1/ending2/ending3/ending4