4oz Clear Glass Storage Jar with Black Screw Lid

HYT Packaging is an experienced Chinese manufacturer and supplier founded in 1980, with decades-long expertise in custom glass packaging. As a direct factory, we deliver full-cycle services including concept evaluation, mold development, decoration, sample testing and global logistics. Unlike middlemen traders, we keep full production control in-house, giving overseas buyers stable lead-times, traceable quality and flexible MOQ for both startup brands and large-volume wholesale projects.

This 4oz clear glass storage jar with black screw lid is a multi-purpose small glass container for food, cosmetic and retail gift packaging. This jar adopts straight-sided clear glass body and ribbed black screw lid with foam liner, achieving good sealing performance and excellent visual display effect. The smooth full-surface label area supports diverse custom decorations, ideal for brands looking for off-the-stock base container plus private branding.

What Buyers Check Before Ordering

Glass Quality and Clarity

Soda-lime glass at 1.5–2.0mm wall thickness balances weight against durability. The glass is fully transparent, bubble-minimized, and annealed to reduce breakage risk during filling and transport.

Lid Seal Performance

The black screw lid includes a liner that seats against the rim-the seal is what keeps moisture out of candles and air out of food. We test lid torque and seal integrity on every production batch, with a standard torque range of 10–20 in-lbs.

Comparison Table

Key Advantages

Food-safe thick lead-free glass construction

4oz clear glass storage jar with black screw lid is made of soda-lime food-grade clear glass with uniform wall thickness. No harmful heavy-metal residue, odor-free, reusable and easy to clean. Less prone to deformation compared with low-cost thin glass jars.

High-clarity transparent display

Crystal-clear glass body lets end-users directly view inside products. Large flat surface area delivers outstanding shelf performance for supermarket and online retail, helping your items stand out among competitors.

Rich custom decoration compatibility

It supports screen printing, hot stamping, decal and frosting. You can print brand logos, product descriptions directly on jar bodies to realize private-label branding without extra outer packaging.

Multi-scene versatile usability

Suitable for dry food, semi-solid food, cosmetic balms, bath salts and gift packaging. One container covers multiple product lines, simplifying your packaging procurement and inventory management.

Competitive cost for wholesale

Direct factory supply removes middle-man markup. Stock blank jars support fast turnaround; custom OEM orders also get reasonable unit pricing for large-volume overseas projects.

Dimensions and Capacity Accuracy

4oz (118ml) is the brim capacity; a printed fill level at 100–110ml is typical for compliance labeling. Jar mouth options are 58mm or 70mm-confirm which fits your filling line before ordering.

Product Specifications

Real Customer Case

Case: North America Specialty Spice Retail Brand

A mid-size spice retailer from North America needed small-size containers for their organic spice blends. Previously they used cheap thin-wall glass jars and encountered two major headaches: partial moisture ingress causing spice caking, and poor printing effect due to thin deformed glass surface.

They selected HYT Packaging's 4oz clear glass storage jar with black screw lid. We applied custom CMYK decal printing with their brand logo. Order quantity: 45 000 pieces. Before mass shipment, we completed sealing performance test and sample confirmation. After 10-month retail sales, customer feedback shows very few complaints of spice dampness. The clean transparent jar appearance greatly improved shelf performance. The customer has placed repeat orders for 3 consecutive seasons.

Customer quote: "We chose HYT as our Chinese supplier for consistent glass wall thickness and stable sealing. Custom printing matches our brand expectation, and their pre-shipment inspection reduces our incoming defect rate."

Application Scope

Food sector: small-batch spices, dried herbs, nut portions, honey samples, jam samples.

Cosmetic & personal care: body butter, solid balm, bath salt samples.

Retail & gift: souvenir packaging, wedding favor containers, DIY craft storage.

Why Choose HYT Packaging (Company Strength)

Factory background: Established in 1980 in China, we are direct glass packaging manufacturer, not trading company, with decades of 4oz clear glass storage jar with black screw lid development & manufacturing experience, serving over 30 countries worldwide.

One-stop service: In-house graphic design, mold development, decoration, quality inspection and global logistics support. We handle whole project from your concept to final cargo delivery.

Quality control: Each production batch carries visual inspection and sealing test. We can provide food-contact compliance documents for EU and US markets.

Flexible project support: Support stock blank jars for quick trial, as well as OEM / ODM custom printing for brand owners.

FAQ

Q1: What is the exact capacity of a 4oz jar?

A1: 4oz equals 118ml at brim capacity. Typical fill volume is 100–110ml, leaving headspace for the product and lid closure.

Q2: Is the glass food-safe?

A2: Yes - the jar is food-grade soda-lime glass, and we provide FDA 21 CFR and EU 1935/2004 compliance documents for food-contact orders.

Q3: Does the 4oz clear glass storage jar with black screw lid seal airtight?

A3: The lid carries a liner that seals against the rim; seal integrity and lid torque are batch-tested. For extended freshness, we also supply induction-seal liner options.

Q4: Can you print my logo on the jar?

A4: Yes - silk-screen printing, frosting, and custom lid colors are available. We confirm the artwork requirements and print position before production.

Q5: Is this jar food-safe? Can you provide food-contact test reports?

A5: Yes. The jar uses lead-free food-grade glass. We can provide SGS food-contact test reports matching EU and US food contact requirements upon request.

Q6: Can I use this jar for liquid products?

A6: It works for thick semi-liquid substances such as jam, balm, body butter. For thin watery liquid, please send us sample content for sealing compatibility test before bulk order.

Q7: What decoration options do you offer?

A7: Screen printing, hot stamping, decal printing, frosting are available. Custom artwork needs to be provided by customer or our design team can help optimize files.