OnSyte makes these pot stakes in the USA! They make them using bright white, commercial-grade styrene. A 3-inch core makes them compatible with most thermal printers. Use these stakes for marking pots or for many other tasks. They last approximately 9 months. No printer? No problem! Write on the stake using marking pens and pencils! These stakes measure 1 inch x 6 inches x .020 inches. Sold by the roll. Each roll contains 1,000 stakes.