Click Here to Read Our Review FAQs 1/ Q. Does HALO sell a waterproof mattress cover that goes with this bassinet? A. The mattress itself is waterproof, so a waterproof pad is not required2/Q. Are there any natural material alternatives that work with the HALO Bassinet?A. Halo independently tests for the most common VOC’s: mercury, lead, and other heavy metals, formaldehyde, ... [Read more...]