Worked perfectly for your dog training classesThe pet training bag is made of food grade memory silicone which is flexible and sturdy.You can keep any kind of treat in it, including moist treat like cheese,chicken and so on. SIZE13*11*4cm Easy to access treat with one handIt has a magnetic closure that is easy-open-- just plunge your hand in to access treats, and when you pull your hand out, it snaps closed with the magnet , instead of having to zip or unzip it like fabric pouches. Easy to CleanRinse with soapy water and let dry Don't hold on to smells like the fabric ones.Fit for dishwasher . Lightweight and PortableWith a clip, enable you to carry and attach the pounch to the waist belt, pants or packages, convient to walk pet outside.