Non-toxic, acid-free, archival/photo safe, and washable. Glides smoother and lasts up to 3 times longer than other brands. Washes out of clothing. Equipped with a screw cap that resists drying out. Great for gluing and pasting paper, cardboard, fabric, photos, envelopes and more. Conforms to ASTM-D 4236. Giant Size. 20.72 g (0.74 oz).