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Archival Clamshell Boxes
Clamshell box dimensions
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Archival Clamshell Box - A5, A4, 15"x10", A3

These acid-free archival clamshell boxes are of a high conservation standard with a clean attractive appearance. Preservation equipment metal edge box

  • Made from 100% cellulose, the clamshell boxes contain no wood particles.
  • The pH of the card stock is is between 8 and 9.5.
  • Neutral adhesive is used, 4% calcium carbonate buffer is added for further protection.
  • The qualities are in line with technical standards of DIN ISO 9706 ANSI/MISO Z3948-1992, ONORM A1119 and are therefore guaranteed to be age resistant according to current knowledge.
  • The boxes are shipped flat taking up minimum storage space.
  • Ready to assemble, with easy to use self-locking tabs and a professional finish.
  • PAT (photographic activity test) passed ANSI ISO 18916
  • Bespoke sizes are available for quick despatch in this design, please contact us or visit boxsite.co.uk (a service from PEL)

The material these boxes are made from is in the process of transitioning to a board with a very light grey/blue outer as shown in the image. The board is of exactly the same high quality and specification to the grey board but will be lighter in appearance.
Internal dimensions shown unless otherwise stated. Instructions for folding can be found in 'Downloads' section below.

Please note: Minimum order quantity of 5 boxes

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Code Description Image Pack Size Price Stock QTY
P735-1612 735-1612 160mm L x 120mm W x 35mm H (A6)
P735-1612 735-1612
Pack Size: Each Price: £3.25 ex VAT In Stock
P735-2216 735-2216 220mm L x 160mm W x 40mm H (up to 8"x6" prints or A5)
P735-2216 735-2216
Pack Size: Each Price: £3.50 ex VAT In Stock
P735-3021 735-3021 302mm L x 215mm W x 75mm H (up to 10"x8" prints or A4 paper)
P735-3021 735-3021
Pack Size: Each Price: £5.00 ex VAT In Stock
P735-3123 735-3123 315mm L x 230mm W x 75mm H (Fits A4 Polyester Pockets & A4 Envelopes)
P735-3123 735-3123
Pack Size: Each Price: £5.25 ex VAT In Stock
P735-3826 735-3826 382mm L x 266mm W x 94mm H(up to 15"x10")
P735-3826 735-3826
Pack Size: Each Price: £6.95 ex VAT In Stock
P735-4433 735-4433 440mm L x 330mm W x 70mm H (up to 16"x12" prints or A3)
P735-4433 735-4433
Pack Size: Each Price: £6.50 ex VAT In Stock
Bespoke Sizes Available Can't find the size you need? No minimum order qty | No set-up charge | Fast Delivery | Call us for a quote
Bespoke Sizes Available
Pack Size: From 1 to over 100 Price: Call In Stock 48hr
Accessories to fit
P565-550 565-550 220mm x 158mm Polyester Clear Pockets 50 Micron (A5+10mm)
P565-550 565-550
Pack Size: Pkg 25 Price: £8.50 ex VAT In Stock
P565-575 565-575 220mm x 158mm Clear Pockets 75 Micron (A5+10mm)
P565-575 565-575
Pack Size: Pkg 25 Price: £9.50 ex VAT In Stock
P565-1285 565-1285 304mm x 216mm Clear Pockets 75 Micron (A4+5mm)
P565-1285 565-1285
Pack Size: Pkg 25 Price: £11.50 ex VAT In Stock
P565-450 565-450 307mm x 220mm Clear Pockets 50 Micron (A4+10mm)
P565-450 565-450
Pack Size: Pkg 25 Price: £10.50 ex VAT In Stock
P565-475 565-475 307mm x 220mm Clear Pockets 75 Micron (A4+10mm)
P565-475 565-475
Pack Size: Pkg 25 Price: £11.75 ex VAT In Stock
P565-14095 565-14095 368mm x 235mm Clear Pockets 75 Micron (Foolscap + 10mm)
P565-14095 565-14095
Pack Size: Pkg 25 Price: £17.00 ex VAT In Stock
P565-350 565-350 430mm x 307mm Clear Pockets 50 Micron (A3 +10mm)
P565-350 565-350
Pack Size: Pkg 25 Price: £19.00 ex VAT In Stock
P565-375 565-375 430mm x 307mm Clear Pockets 75 Micron (A3 +10mm)
P565-375 565-375
Pack Size: Pkg 25 Price: £22.00 ex VAT In Stock
Hook & Loop Coin Fasteners
Hook & Loop Coin Fasteners
From £1.80 ex VAT
Acid Free Buffered Tissue Paper
Buffered Acid-Free Tissue Paper - 16gsm
From £9.85 ex VAT
Tissue Paper
Low Cost Acid-Free Tissue Paper - 22gsm/40gsm
From £15.95 ex VAT
158mm x 115mm Clear Pockets 50 Micron (A6 +5mm) 565-650
158mm x 115mm Clear Pockets 50 Micron (A6 +5mm)
£6.00 ex VAT
260mm x 210mm Clear Pockets 50 Micron (10" x 8"+5mm)
260mm x 210mm Clear Pockets 50 Micron (10" x 8"+5mm)
£10.00 ex VAT
368mm x 235mm Clear Pockets 75 Micron (Foolscap + 10mm)
368mm x 235mm Clear Pockets 75 Micron (Foolscap + 10mm)
£17.00 ex VAT
430mm x 307mm Clear Pockets 50 Micron (A3)
430mm x 307mm Clear Pockets 50 Micron (A3 +10mm)
£19.00 ex VAT
Mounting card - for photos, prints, art, clippings
Mounting card - for photos, prints, art, clippings | 9 sizes
From £2.25 ex VAT
Archival Full View Display Envelopes | A5, A4, A3
Archival Full View Art Envelopes | A5, A4, A3
From £16.95 ex VAT
Archive Starter Kit - 9 Piece Archiving Kit
Archive Starter Kit - 9 Piece Archiving Kit
£29.50 ex VAT
Shelf Markers / Dividers
Shelf Markers / Dividers - Self Supporting
£6.95 ex VAT
boxsite-made-to-measure2
Bespoke Sized Boxes (& Dinosaurs!)
£4.95 ex VAT
152mm x 229mm A5 (6" x 9") 120gsm
£40.00 ex VAT
small and large pad
Document Cleaning Pads
From £4.95 ex VAT
Brass Paper Clips
Solid Brass Paper Clips
£23.00 ex VAT
Mars Lumograph HB pencils
Staedtler Mars Lumograph Drawing Pencil - HB
£14.00 ex VAT
Document repair tape
Document Repair Tape & Mending Tissue
From £7.85 ex VAT
Laser labels
Archival quality laser labels
From £17.50 ex VAT
Archival Folders - A4
Archival Folders | 8 Sizes | up to 610 x 914mm (A1+)
From £12.00 ex VAT
Photographic Interleaving Paper - Unbuffered 40gsm
Photographic Interleaving Paper - Unbuffered 40gsm
From £29.15 ex VAT

DIN ISO 9706 ANSI/MISO Z3948-1992, ONORM A1119
pH between 8 and 9.5
4% calcium carbonate buffer
Archival Collection Trays - Stackable - A5, A4, A3
Archival Collection Trays - Stackable - A5, A4, A3
From £6.95 ex VAT
Foam Insert Storage Boxes
Foam Insert Storage Boxes
From £16.00 ex VAT
Archival comic book storage box
Comic Book Box - Flat Storage
£3.75 ex VAT
Library Ringbinder Box
Library Ringbinder Box - A3, A4, A5
From £6.50 ex VAT
Clamshell Box
Clamshell Storage Box - Metal Edge | 5 Sizes | Up to 438mm x 292mm (17.25” x 11.5")
From £5.60 ex VAT
Drop front opening paper storage box
Drop Front Paper Storage Boxes | 10 sizes | Up to 622mm x 521mm (24.5" x20.5")
From £6.10 ex VAT
Archival Print Box
Print Storage Boxes - A5, A4, A3, A2 - Black
From £6.75 ex VAT
Archival A paper storage box
Archival Paper Storage Boxes A1, A2, A3 and A4
From £7.10 ex VAT
Art and Graphics box - open
Art and Graphic Storage Box - A2 & A3
From £24.95 ex VAT
Folio Box | 3 sizes | Up to 520 x 419 x 45mm (20"x16")
Folio Box | 3 sizes | Up to 520 x 419 x 45mm (20"x16")
From £6.45 ex VAT
Archive Box
Archive Box | 2 sizes
From £45.50 ex VAT
Archive box
Archive Box - Buffered | 2 Sizes
From £57.00 ex VAT
Flat Storage Boxes (Tan)
Heavy Duty Flat Storage Boxes (Unbuffered) | 3 Sizes | Up to 508mm x 406mm (20" x 16")
From £12.00 ex VAT
Archival Shelf Filing Box
Archive Filing Box - Upright | 3 Sizes | up to 440mm x 360mm A3
From £4.40 ex VAT
Photograph Archive Boxes - 4x6", 5x7"
Photograph Archive Boxes - 4x6", 5x7"
From £4.50 ex VAT

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