Flosspot Silk, is a refillable mini mason jar filled with a 40m spool of luxurious silk dental floss, lightly waxed for strength and ease of use between tight teeth, lab tested for purity. Flosspot Gold is a refillable stainless steel jar filled with a 50m spool of floss made of PLA from corn, an alternative to fossil-based plastics, lab tested for purity and compostability.