Product Overview – Soft Transparent PE Side Gusset Bag
Ruiyue Plastics has 16 years of professional R&D and production experience in Shanghai Jiading, focusing on customized flexible PE packaging solutions for industrial, food, cold storage and logistics industries. Our soft transparent PE side gusset bags are specially developed as box inner liners, fully customizable in size, thickness and accessories to match cartons, turnover crates, bulk material packaging and pallet protection.

Core Product Features of PE Side Gusset Bag

Material
Soft LDPE polyethylene, fully transparent, soft texture without stiffness, no hard crease after folding, good tensile & puncture resistance, odorless, food-grade & industrial-grade raw materials optional.

Side Gusset Structure
Double-side foldable gusset design, flat when empty to save warehouse storage space; expand into cubic shape after loading goods.

Barrier Performance
Waterproof, dustproof, leak-proof, cold-resistant modified formula available for long-term freezer storage; standard version non-antistatic, non-light-blocking.

Full Customization
All width, gusset depth, length, film thickness, printing, punching, edge extension can be tailor-made according to customer packaging demands.
Custom Specification Guide (Thickness & Size Customization Range)

Thickness Customization (Unit: micron/μm, 10μm=1 silk=0.01mm)
Light-duty thin liner (20–40μm): Light textiles, clothing, fabric samples, dry small bulk goods, low cost, lightweight
General industrial standard (50–80μm): Grain, plastic pellets, cat litter, small hardware accessories, daily bulk powder, most carton inner liner universal model
Medium heavy-duty (100–160μm): 5–20kg rice, frozen meat/seafood, sharp small metal parts, long-distance transport packaging
Super thick puncture-resistant (180–250μm): Hard plastic granules, angular hardware, cold storage long-cycle turnover, anti-tear & anti-breakage

Full Size Customization Standard Format: Width × Side Gusset Depth × Length
Small split packing: W10–30cm × Gusset5–15cm × L20–60cm, for small hardware, bulk dry goods split
Regular carton inner liner: W30–60cm × Gusset15–30cm × L60–100cm, match 5–20kg standard export & e-commerce cartons
Large bulk & pallet inner cover: W60–120cm × Gusset30–60cm × L100–200cm, 25kg raw material, whole crate frozen goods, full pallet dust & moisture isolation

Optional Custom Attachments
Extended sealing edge: Extra length reserved at bag mouth for rope binding & tight sealing
Single/double hand holes: Convenient for manual moving & loading
Material grade switching: Food-grade virgin PE / industrial recycled PE
Monochrome printing: Print LOGO, warning marks, product description text (no full-color high-gloss printing)
Low-temperature cold-resistant modification: Formula adjusted for -18℃ ~ -30℃ freezer long-term use
Main Application Scenarios of PE Side Gusset Bag
Carton Inner Liner (Largest Application Scenario)
Sleeve inside corrugated cartons & color boxes, isolate powder, particles, wet goods to prevent liquid leakage, dust permeation and carton damp damage. Widely used in factory production lines, e-commerce delivery, wholesale bulk shipment.
Cold Storage & Frozen Turnover Crate Liner
Matched plastic turnover baskets, frozen storage frames to isolate frost, blood water and ice water, keep crates clean, suitable for frozen fruits & vegetables, chilled meat, aquatic product transit.
Industrial Raw Material Intermediate Inner Bag
Used as isolation liner inside woven bags / jumbo bags for plastic pellets, color masterbatch, feed, fertilizer, putty powder, realize moisture-proof & dust-proof storage during workshop turnover.
Agricultural Bulk Wholesale Liner
Rice, millet, beans, dried mushrooms, red dates and other agricultural products bulk wholesale packaging, only used inside outer cartons, transparent design for quick visual inspection without unpacking.
Textile & Garment Factory Dustproof Inner Packing
Clothes, towels, socks, cloth samples packed before carton stacking, soft material will not scratch fabric surface, convenient sorting via transparent visual effect.
Hardware & Auto Parts Carton Protection
Bulk screws, gaskets, bearings, stamping parts, plumbing accessories packed inside cartons, waterproof & anti-rust, clear visibility for quantity counting.
Applicable Packaging Products of PE Side Gusset Bag By Industry
Food & Agricultural Products (Food-Grade PE Material)
Rice, coarse cereals, flour, beans, dried mushrooms, black fungus, red dates, frozen meat, frozen aquatic products, quick-frozen fruits & vegetables, bulk dry goods
Plastic & Industrial Raw Materials
PE/PP plastic pellets, color masterbatch, rubber granules, resin powder, plastic leftover scraps, EVA particles
Agricultural Supplies
Animal feed, fish meal, organic fertilizer, horticultural nutrient soil, granular fertilizer
Daily Cleaning Bulk Goods
Cat litter, bentonite, bulk washing powder, granular cleaning raw materials
Hardware & Auto Small Parts
Screws, bolts, nuts, gaskets, small stamping parts, plumbing fittings, miniature bearings
Textile & Home Textiles
Finished garments, underwear, socks, towels, bed sheet samples, cloth accessories, plush toys

Product Advantages Of PE Side Gusset Bag
1.Soft full transparent design, goods visible without unpacking, fast stock checking & sorting
2.100% customizable size & thickness, perfectly fit all types of cartons and turnover boxes
3.Flat empty bag stacking, ultra-low warehouse space occupation, reduce storage cost
4.Integrated waterproof, dustproof, leak-proof function, low unit cost for mass industrial liner use
5.Super thick cold-resistant version available, stable performance without cracking in low-temperature freezer
Frequently Asked Questions
How to confirm the customized size parameter?
Standard marking rule: Width × Side Gusset Depth × Total Length. If you need reserved sealing edge, inform us the extra margin length; we will adjust the overall size according to your internal carton dimension.
How to select the right film thickness?
Light goods below 5kg: 20–60μm; medium goods 5–20kg: 80–120μm; heavy goods with sharp edges & cold storage long-term use: above 160μm. We will recommend the most cost-effective thickness based on your actual loaded products.
Can food-grade materials be produced?
Yes. We provide two raw material grades: food-grade new LDPE for direct contact grain, frozen food; industrial-grade recycled PE for hardware, plastic raw materials, non-food packaging.
Is printing available on the bag surface?
Support single-color silk screen printing of LOGO, safety warning text, enterprise information; complicated multi-color color printing is not recommended for transparent PE liner bags.

