It probably should say Jelly, but it's one of the many no-name Amazon sellers (likely from China?) and so correct spelling in English is not always a priority.

The blanket in question: https://www.amazon.com/TOYANDONA-Swaddle-Blanket-Adjustable-Receiving/dp/B0925GHWHY

Example: here is a postbox and a bag, presumably containing letters, that is labeled "MEL" (last picture in the series. First ones are just brooms) https://www.amazon.com/TOYANDONA-Dollhouse-Miniature-Decorations-Accessory/dp/B08VDFZPRM