TERESA COLLINS-Basically Essential Envelopes & Tags. A great assortment for holding scraps sending your special letters and more! This package contains ten 3-3/4x6-3/4 inch glassine envelopes ten 5-1/2x3-1/2 inch manila tags three 7x5 inch glassine bags and three 3-1/2x3-3/8 inch library pockets. Acid and lignin free. Imported.