"
This
is
the
best
Triangle
I"ve
come
across.
The
edge
is
very
strong
and
it
is
very
light
weight.
This
is
the
perfect
triangle
for
both
professional
an
..." more...
Clear transparent triangles made with double bevels in the triangular cut out to allow easy pick up. The professional grade is made of acrylic, the scholastic grade is made of styrene.