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Cardstock is a high-quality and high-stiffness paper material, widely used in printing and packaging, handicrafts, business offices, and creative design fields. Our cardstock is made from high-quality wood pulp or recycled fibers, with a smooth and fine surface, high color reproduction, and excellent printability and processing performance. It supports a variety of post-processing techniques.
Custom printed cardstock sleeves and folding card holders with die-cut windows, flaps, tailored sizes, colors, foil, and finishes for sticker sheets and small flat products.
Custom window paper sleeves provide a compact branded package for sticker sheets, nail-art decals, transfers, sample cards, and other flat products. The die-cut opening displays part of the enclosed item while the printed sleeve provides space for logos, instructions, barcodes, and product information.
The sleeve can be designed with a circular, oval, rectangular, or custom-shaped window, along with tailored flaps, folds, tabs, and closure details. Material options include white cardstock, coated or uncoated paper, kraft paper, colored stock, and selected specialty papers. CMYK or spot-color printing can be combined with foil stamping, embossing, debossing, spot UV, and matte, gloss, or soft-touch lamination.
Share the flat product dimensions, sleeve structure, finished size, quantity, artwork, paper preference, window size and position, printing, finishing, and packing method for a production recommendation and quotation.
Product type: Custom window paper sleeve / folding card holder
Primary use: Sticker sheets, nail-art stickers, decals, transfers, sample cards, and other flat retail products
Material options: White cardstock, coated paper, uncoated paper, kraft paper, colored stock, and selected specialty papers
Structure: Folded sleeve, pocket-style holder, envelope-style card sleeve, or custom die-cut format
Window options: Circular, oval, rectangular, arched, or custom-shaped opening; optional clear film can be reviewed
Closure options: Tuck flap, locking tab, adhesive closure, or open sleeve design
Printing: Single- or double-sided CMYK, black, spot-color, or selected white-ink printing based on the paper
Finishes: Matte or gloss lamination, soft-touch film, foil stamping, spot UV, embossing, debossing, and selected varnish
Size and thickness: Customized to the enclosed sheet or product and required stiffness
Supply format: Flat, folded, pre-glued, or assembled according to the structure
Artwork: Print-ready PDF or outlined vector file with bleed, crease lines, cut lines, and window position
Note: The sleeve dimensions, window, folds, tabs, and closure should be tested with the actual product before bulk production.
Nail-art sticker sheets and decorative nail decals
Die-cut sticker sheets, label samples, and transfer sheets
Temporary tattoos, rub-on transfers, and craft decals
Flat jewelry, hair-accessory, and small fashion-product cards
Sample packs, promotional inserts, and collectible flat products
Retail display packaging for small lightweight items
A die-cut window displays the enclosed product without opening the sleeve
Custom dimensions provide a cleaner fit for sticker sheets and flat items
Printed panels provide space for branding, instructions, and barcodes
Different paper colors and finishes support coordinated product ranges
Tuck flaps, locking tabs, and adhesive options suit different packing methods
Window, fold, closure, artwork, and packing details can be reviewed before production
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