These 3 oz paper cups bathroom cups are just the right size, perfect for use at home, office, picnic camping. These 3 oz mouthwash cups are strong and leak proof. These bathroom paper cups body have rigidity and strength to prevent unnecessary collapse. The size of the paper cup 3 oz is just right for gargling after brushing your teeth, or you can use it to drink water at ordinary times. Small paper bathroom cups are made of food-grade safety paper, which is more environmentally friendly and a great alternative to traditional plastic, and can be discarded directly after use.