Gusseted Paper Bags – Expandable Kraft Mailers | Pack Exact

Gusseted Paper Bags

Tough, expandable gusseted paper mailing bags with side gussets that open up for bulkier items. A recyclable, plastic-free alternative to poly mailers—ideal for apparel, books and boxed goods that need a little extra room.

Kraft Paper Side Gusset Peel & Seal Plastic-Free Recyclable

Browse the range: Gusseted Paper Bags. Related: Paper Mailing Bags · Grass Paper Mailing Bags · Cardboard Envelopes · Book Wraps.

What are gusseted paper bags?

Kraft mailers with expandable side gussets so the bag opens out to accept thicker or multiple items. They ship flat, pack fast and present a premium, brand-friendly paper surface.

Why choose gusseted?

More capacity: side gussets increase volume without moving to a box.

Greener choice: plastic-free and widely recyclable with paper streams.

Operational ease: peel & seal closure; stack neatly; simple SKU management.

Best-use scenarios

Apparel & textiles: hoodies, knitwear, multi-item orders—add a cardboard sheet stiffener for a flatter parcel.

Books & media: pair with book wraps for rigid edge protection inside the mailer.

Boxed goods: skincare sets, small electronics—extra volume without switching to cartons.

Gift & D2C: tissue-wrapped products for a premium, plastic-free unboxing.

Choosing size & format

Bag size (W × G × L, mm) Closure Suggested contents Notes
190 × 50 × 300 (+ 50 lip) Peel & Seal Tees, paperbacks, cosmetics Compact small-parcel format
250 × 80 × 350 (+ 50 lip) Peel & Seal Jumpers, hardbacks, boxed sets Popular all-rounder with extra volume
260 × 80 × 410 (+ 50 lip) Peel & Seal Hoodies, multiples, soft homeware More length & gusset for bulkier items

For slim but rigid mail, switch to Cardboard Envelopes. For heavier consignments, use Single Wall Boxes or Double Wall Boxes.

Packing tips

Right-size: choose a snug footprint; the gusset provides the extra depth.

Reinforce flats: add a stiffener sheet for prints and documents.

Moisture-sensitive goods: wrap items in tissue or a light inner poly bag if needed.

Gusseted vs other mailers

Gusseted Paper Bags

Expandable capacity for bulkier soft goods and small boxes—stay plastic-free and recyclable.

Flat Paper Mailers

Slimmer footprint for lighter items. See Paper Mailing Bags.

Rigid Board Options

Corner & edge protection for documents and books: Cardboard Envelopes or Book Wraps.

Gusseted Paper Bags – FAQs

It expands to add depth, so you can mail bulkier items without moving to a carton—keeping parcels compact and plastic-free.

Yes—dispose with household cardboard/paper recycling. Remove non-paper labels where local guidance requires.

They’re great for soft goods and boxed items. For fragile products, use rigid board envelopes or book wraps, or pack inside a box.

Some ranges provide a second adhesive line. If not, add a small dispenser box label or tape for returns.

Most hoodies fit 250 × 80 × 350 or 260 × 80 × 410 (with lip). Choose the smaller if you compress air before sealing; the larger for boxier garments.