These Andean pan flutes are made by the indigenous peoples of Otavalo, Ecuador. They are made from bamboo.
The souvenir pan flute has 8 tubes, the longest 7" long. The width of the flute is 3.75" wide, and it weighs 1.5 oz.
Please note that these are souvenir flutes and are not set to a particular key.
See the flute being played by the maker in his workshop in the video below.