DE 3 Pieces Classical White Pocket Protector for School Hospital Office Material: PVC Plastic Size: 3-3/8" x 6-1/4". Can hold up to 4 pens. Fits perfectly inside shirt pocket, fits most shirt pockets. Protects shirt from broken and leaky pens. Quantity: 3 Pieces ( White ) Can hold up to 4 pens. Fits perfectly inside shirt pocket, fits most shirt pockets. Protects shirt from broken and leaky pens.