Clear PET Flat Lids for Cold Drink & Food Cups | 90 / 92 / 95 / 98 / 117mm | Stackable Seal for Retail & Foodservice

Designed to fit 90, 92, 95, 98, and 117mm diameters, these versatile PET flat lids offer a precise, snap-on fit. The cold drink lids feature tight dimensional control to ensure zero leaks, while the heavy-duty stackable cup lids resist cracking during rough transit. Kitchens rely on these retail foodservice lids to prevent costly, messy spills.

Integrating QUNLU's PET flat lids into your workflow streamlines front-of-house operations overnight. Because they don't stick together, staff can grab these cold drink lids instantly during peak rushes. These secure stackable cup lids minimize inventory footprints, which is exactly why major chains select these retail foodservice lids to increase order accuracy.

QUNLU manufactures PET flat lids using highly recyclable, premium polymers. Not only do these cold drink lids deliver excellent structural rigidity, but the stackable cup lids also reduce shipping volume and lower your carbon impact. Outlets everywhere are upgrading to these retail foodservice lids for eco-conscious compliance.

Summary

- PET flat lids: Provides brilliant clarity for dynamic merchandising.

- Cold drink lids: Delivers leak-resistant performance for iced beverages.

- Stackable cup lids: Nests perfectly to speed up peak service periods.

① Lightest Lid in the QunLu Range — From 2.5g

The flat lid is the lowest-weight lid option across all three QunLu lid types. At 2.5g (90mm) to 2.8g (98mm), it uses less material per unit than dome or sip lids of the same caliber — reducing per-case freight weight and per-unit material cost at volume.

② Flat Profile Enables Sealed Cup Stacking

A flat-lidded cup can be stacked directly on top of another sealed cup — stable, predictable, and space-efficient on retail shelves, in delivery trays, and in refrigerated display cases. Dome-lidded cups cannot be stacked this way.

③ Five Calibers — Beverage and Food Cups Covered

90mm through 98mm with X-cut for straw access; 117mm in no-hole sealed format for the GHW-117 food cup series. One flat lid procurement decision covers the full QunLu cup range across both beverage and food applications.

④ Pre-fill & Retail Ready

The flat seal profile is the standard lid format for pre-filled retail cup products — fresh juice, iced coffee, salads, and fruit portions that are filled, lidded, and placed directly onto retail shelves or into refrigerated display units without additional packaging.

⑤ Lowest Per-Case Freight Volume

The flat lid's compact stacking geometry means more lids fit per carton compared to dome lids. Combined with lower unit weight, the flat lid delivers the lowest freight cost per 1,000 units across all three lid types — a relevant factor at container-load volume.

Flat Seal Geometry — What It Does and What It Doesn't

The flat lid's value is in what it removes, not what it adds. No dome height means no wasted vertical space above the liquid surface. No sipport means no moving parts to fail or introduce hygiene risk. No structural complexity means a lighter, more uniform lid that performs the same way on every unit across every production run. For operators whose priority is a clean, reliable, cost-efficient seal — not toppings headroom or integrated drinking ports — the flat lid is the default answer.

Stacking Physics — Why Flat Lids Enable Retail Display

When a cup is sealed with a flat lid, its top surface becomes a stable horizontal platform. This allows sealed cups to be stacked two or three high in refrigerated retail display cases, delivery trays, and grab-and-go coolers — maximizing display density per shelf without additional packaging or support structures. A dome-lidded cup cannot provide this platform; its curved top surface causes instability under load. For convenience store and supermarket operators running pre-filled cup programs, this stacking capability is a display logistics advantage, not just a product feature.

X-Cut Configuration (90mm–98mm)

The X-cut opening on the 90mm, 92mm, 95mm, and 98mm flat lids allows straw insertion without pre-cutting or customer handling. The four-flap X geometry self-seals around a standard straw diameter, reducing lateral liquid movement around the straw shaft — a common source of lid drip in high-activity takeaway environments.

117mm No-Hole Configuration

The 117mm flat lid is produced as a fully sealed no-hole lid, matched to the GHW-117 food cup series. The sealed flat surface protects fresh fruit, salad, and food portions during retail display and transport — and provides a stable stacking surface for multi-layer cooler display arrangements.

Material: Food-grade PET, BPA-Free, PFAS-Free. rPET available for all calibers.

High-Speed Production Efficiency on Lightweight Lids

Flat lids are the highest-throughput item in QunLu's thermoforming operation. The absence of dome geometry and sipport structures means shorter cycle times per unit compared to dome and sip lids of the same caliber — translating directly into lower per-unit production cost and shorter lead times for high-volume orders. For buyers who need large-quantity lid replenishments on predictable schedules, the flat lid is the most supply-chain-efficient option in the QunLu lid range.

All five flat lid calibers can be co-produced and consolidated with any combination of cup and lid orders into a single container shipment. The compact flat lid carton geometry also improves container utilization compared to dome lid cartons of equivalent unit count — more lids per container load, lower freight cost per 1,000 units.

Pinghu facility, Jiaxing, Zhejiang — shipping via Shanghai and Ningbo ports. Full documentation: FDA, ISO 22000, BRC, GRS.

Q: When should I choose a flat lid over a dome lid or sip lid?

Flat lid: when you need a clean seal for pre-filled retail products, stacked display cups, or any application where toppings headroom and integrated drinking are not required. Dome lid: when your drinks have cream foam, fruit toppings, or overfilled garnishes that need headroom. Sip lid: when you want a no-straw direct-drink experience for takeaway beverage service. All three can be ordered together and co-shipped in one container.

Q: Can flat-lidded cups be stacked in refrigerated retail display cases?

Yes — the flat lid surface creates a stable stacking platform. Pre-filled cups sealed with flat lids can typically be stacked 2–3 high in refrigerated display cases depending on cup height and fill weight. We recommend testing your specific cup-lid-fill combination before deploying in a retail stacking configuration.

Q: Does the X-cut seal around the straw after insertion?

Yes. The four-flap X-cut geometry closes around a standard straw diameter, reducing liquid movement around the straw shaft. It is not a hermetic seal — liquid can still pass if the cup is inverted — but it significantly reduces lid drip in normal upright handling.

Q: Is the 117mm flat lid available with an X-cut as well?

The standard 117mm flat lid is produced in no-hole format for food cup applications. An X-cut version may be available upon request — contact us to discuss your specific application and we will confirm feasibility.

Q: Is the flat lid the lowest-cost lid option?

Generally yes. The flat lid uses less material per unit than dome or sip lids of the same caliber, has shorter production cycle times, and packs more compactly per carton — resulting in lower per-unit material cost, production cost, and freight cost. For large-volume pre-filled retail programs, these savings compound significantly.