1. Feeder-This hay feeder features made of linen.The reason we chose this material is Made of plastic hay feeder will buried hidden dangers for pets .And non-plastic materials are more environmentally friendly. 2. Collapsible & Easy To Use & Machine Washable-Our hay dispenser is foldable and soft,lightweight,easy to be carried and stored,save your guinea pigs space.Machine washable,easy to clean. 3. Keep Clean-Small pet feeders have more windows to keep pets in order when eating and keep the pet cage clean. Most importantly, it will reduce the waste of hay. 4. Easy To Use-The hay feeder bag is equipped with 2 metal hooks, which can be attached to most wire cage or be hung on a rope, keeping the bag clean and organized,simple and convenient to use. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store