| 摘要 |
A foldable/expandable bib consisting of a sheet of thin flexible foldable material which has two strips on opposite edges; the strips having many open slots that can engage with each other; the openings of the slots of one strip facing one direction while the openings of the slot of another strip facing the opposite direction; the sheet having many creases which are substantially perpendicular or parallel to the strips; the strips having creases which are substantially transverse to the strips; the sheet and the strips being able to be folded/expanded along the creases; one of the strip optionally having a tab which extends sideways from the strip and which has many creases along which the tab can be folded/expanded to become a sheath for the bib; the tab having an area or areas that is coated with sticky material; the tab optionally having a slot that can engage with a tip of the tab.
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