MATERIAL: Made of food grade and eco-friendly silicone with magnet and clip, elastic and durable. HOW TO USE: Magnets on both sides of the pocket opening can be attracted automatically after feeding.It is convenient for training with this pouch. EASY TO CLEAN: remove the clip, turn the pouch upside down, clean it with water or damp cloth . It is also dishwasher safe. SIZE: 4.93.91.5inch (12.510.53.8cm), perfect size for pet training bag, convenient and portable COLORS : 12 colors available, navy blue, blue, pink, purple, grey, black and duck egg green.