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Protective Wrappers for Pamphlets Protective wrappers for pamphlets without bindings were designed by a special collections department at a leading research library. The premise behind their development was that a binding exists to provide protection from airborne dirt, moisture, light, migration of acids from adjacent volumes, and, most importantly, physical damage. Therefore, unbound volumes are at a disadvantage when exposed to these elements. We suggest that the following guidelines are considered when selecting a wrapper. It is best not to insert a pamphlet over 50 pages long. The volume should be at least 1/4 in. shorter and 1 in. narrower than the envelope. These are made from Lig-free Type I .010 paper, which has a pH of 8.5, 3% alkaline buffering, and no lignin or sulfur. Additionally, this paper will make a minimum of 1000 double folds in the weakest direction at 1 kg. load. Each package contains 25 wrappers.

Item #	Description	1 pkg.	5 pkgs.	10 pkgs.
KSRL-A	6 1/8 x 4 1/2	$27.50	24.40	17.50
KSRL-B	8 1/4 x 6 1/4	$31.20	28.70	20.70
KSRL-C	10 1/4 x 7 1/2	$35.00	33.15	31.50
KSRL-D	12 x 9	$40.00	35.65	33.75
KSRL-E	15 x 10	$53.75	51.85	51.00