Thistle seed feeder features patented twist and clean technology that allows you to twist and remove all parts in seconds with no need for tools. All parts are dishwasher safe. Made of stay-clear， UV protected plastic that wont fade in sunlight. Unique design creates a 38 percent wider opening with a built-in funnel in the lid of the feeder for the easiest filling with less spill. Spring system in the roof allows the feeder to be opened for filling with a single touch. Intelligent design for easy cleaning. - all parts can be removed without tools 2-In-1 technology allows feeder to be used to feed a wider assortment of seed thistle inserts included. Plastic Made in USA Your security is our number one concern