Our Box Liners are actually industrial strength barriers. Think of them as providing a clean barrier to the permeable outside carton. These are not standard polyethylene liners; we prefer polyester (Mylar) with foil laminate structure to provide a stable package with moisture and oxygen barrier properties as well as puncture resistance. Commonly found in the application of export packaging for nut meats, nutritional supplement mixes, microencapsulated fish oil, and a wide range of other products. 

How to find proper bag sizes - Box liner calculation

The vast majority of box liners are produced to customer specification from one of the readily available 53+ laminated film structures on the factory floor. These are a few sizes that are produced such frequently. Examples:

Box dimension:
14"x14"x18"

Bag size needed:
30"x30"

Available:
29MFS34ID30VF4C36

Box dimension:
14"x11"x13"

Bag size needed:
27"x23.5"

Available:
24V4C2826MFS36

Box Liners: silver color

Part Number Dimensions (OD) Color Material Thickness Shop
18VF4C16CTN 18" x 16" Silver PAKVF4C 5.0 mils BUY
18MFS23 18" x 23" Silver PAKVF4 4.3 mils BUY
18VF4C28 18" x 28" Silver PAKVF4C 5.0 mils BUY
20MFS30 20" x 30" Silver PAKVF4 4.3 mils BUY
20PKS30 20" x 30" Silver PAKSAFE 7.0 mils BUY
24V4C28 24"x 28"  Silver PAKVF4C 5.0 mils BUY
26MFS36 26"x36"  Silver PAKVF4 4.3 mils BUY
29MFS34ID 29" x 34" ID Silver PAKVF4 4.3 mils BUY
30M3024 30"x 24"  Silver PAKVF4M 3.6 mils BUY
30VF4C36 30" x 36"  Silver PAKVF4C 5.0 mils BUY
30MFS40 30"x 40"  Silver PAKVF4 4.3 mils BUY
30MFS51WS 30" x 51"  Silver PAKVF4 4.3 mils BUY
30MFS58 30" x 58"  Silver PAKVF4 4.3 mils BUY
34MFS42 34"x 42"  Silver PAKVF4 4.3 mils BUY
38MFS42 38"x 42"  Silver PAKVF4 4.3 mils BUY
42MFS48 42"x 48"  Silver PAKVF4 4.3 mils BUY
54MFS48 54"x 48"  Silver PAKVF4 4.3 mils BUY
18MFS28OZE 18" X 28" Silver PAKVF4 4.3 mils BUY
20VF4C30 20" X 30" Silver PAKVF4C 4.3 mils BUY
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18" x 16" OD PAKVF4C Mylar Foil Bag (150/case) - 18VF4C16CTN
18" x 16" OD PAKVF4C Silver MylarFoil bag with tear notch 1.0" from sealed end Material: PAK..
$155.30
18" x 23" OD PAKVF4 Foil bag (200/case) - 18MFS23
18" x 23" OD PAKVF4 MylarFoil bag PAKVF4  4.3 mil 200/case For box dimensions: 18" x 2..
$202.40
18" x 28" OD PAKVF4C MylarFoil bag; (150/case) - 18VF4C28
18" x 28" OD PAKVF4C Silver MylarFoil bag PAKVF4C 5.0 mils (150/case) ..
$175.50
20" x 30" OD PAKVF4C MylarFoil bag (150/case) - 20VF4C30
20" x 30" OD MylarFoil bag;  PAKVF4C, 5.0 mils 150/case ..
$189.00
24" X 28" OD PAKVF4C Mylar Foil Bag (150/case) - 24V4C28
24" X 28" OD MylarFoil bag;  PAKVF4C  5.0 mils, Food & USP grade 150/case ..
$217.50
26" x 36" OD PAKVF4 Large MylarFoil bag (100/case) - 26MFS36
26" x 36" OD Large MylarFoil bag; 3 side seal;  PAKVF4  4.3 mil 100/case   ..
$208.00
29" x 34" ID PAKVF4 MylarFoil bag (100/case) - 29MFS34ID
29" x 34" ID PAKVF4 Silver MylarFoil Bag PAKVF4, 4.3 mils  100/case Applications inclu..
$331.20
30" x 24" Large Metalized  Bag; (250/case) - 30M3024:
30" x 24" Metalized Mylar bag and box liner PAKVF4M  2.0 mil 250/case For box dimensio..
$102.50
30" x 36" Mylar Foil Bag; (50/case) - 30VF4C36
30.0" x 36.0" OD MylarFoil bag; 50/case Material: PAKVF4C, 5.0 mils A 5.0 mil high-b..
$104.00
30" x 40" OD PAKVF4 MylarFoil Bag; (100/case) - 30MFS40
30" x 40" OD Silver MylarFoil Barrier Bag PAKVF4  4.3mils (100/case) Applications incl..
$281.45
30" X 51" OD PAKVF4 MylarFoil bag (50/case) - 30MFS51WS
30" X 51" OD MylarFoil bag w/ 0.75" side seals PAKVF4, 4.3 mils 50/case Applications includ..
$262.50
30" x 58" OD PAKVF4 MylarFoil bag; (25/case) - 30MFS58
30" x 58" OD PAKVF4 MylarFoil barrier bag with 0.5" side and bottom seals; PAKVF4, 4.3 mils (2..
$192.50
34" x 42" OD Mylar Foil bag; (100/case) - 34MFS42
34" x 42" OD MylarFoil bag; PAKVF4, 4.3 mils (100/case) Applications include In-process ..
$330.00
35" x 30" Metalized Mylar Bag; (100/case) - 25M3530
35" x 30" Metalized Mylar bag; PAKVF2.5M  2.5 mil 100/case For box dimensions: &n..
$0.00
38" x 42" Mylar Foil Bag; (100/case) - 38MFS42
38" x 42" OD Barrier MylarFoil bag; Good pouch for box liner PAKVF4, 4.3 mils (100/case) ..
$315.10
42" x 48" Mylar Foil Bag; (50/case) - 42MFS48
42" x 48" OD Large Barrier MylarFoil bag; Good pouch for box liner PAKVF4, 4.3 mils (50/cas..
$309.75
54" x 48" Mylar Foil Bag; (20/case) - 54MFS48
54" x 48" OD MylarFoil bag, Largest stock MylarFoil bag Good MylarFoil bag for box liner. P..
$118.00
 20" x 30" OD PAKVF4 MylarFoil bag (150/case) - 20MFS30
20" x 30" OD MylarFoil Barrier Bag;  PAKVF4  Silver 4.3 mil Material 150/case ..
$213.00
18" x 28" OD PAKVF4 Foil Bag with ZipSeal; (50/case) - 18MFS28OZE
18" x 28" OD Silver MylarFoil bag open on the Zipper End PAKVF4  4.3 mils 50/case For ..
$88.00
20" x 30" OD PAKSAFE Barrier Bag (100/case) - 20PKS30
20" x 30" OD Mylar Barrier bag; Great for 5-6 gallon pails and long term food storage. PA..
$265.00