Pen Holder, acrylic pen holder, office supply 1,stylish design 2,high quality 3,competitive price Pen Holder, acrylic pen holder, office supply 1, material: Clear acrylic2, Size ... than glass and other commonly used aquarium materials. Acrylic has a good impact strength higher than that ... of glass or polystyrene. acrylic products are durable, break resistant. 5. Light ...