CPLA 90mm Alien Direct Drinking Natural Color Cup Lid

The CPLA 90mm alien direct drinking natural color cup Lid is designed specifically for 90mm-diameter cold drink cups. Unlike standard lids with simple round sip holes, this model features a unique, specially shaped opening and a seamless, one-piece structure—eliminating the need for hinged flaps. It offers versatile usage: consumers can sip directly from the opening or insert a straw through it, bypassing the step of opening or closing a flap. When not in use, the opening provides basic dust protection, making the lid ideal for large-capacity cold drinks prepared and packaged at retail outlets.

The Five-Stage Inspection Process for Each Lid

Before leaving the factory, every batch of lids must pass through five mandatory inspection stages in a fixed sequence; no steps can be skipped.

Stage 1 · Incoming Material Inspection: 

CPLA resin pellets are inspected upon arrival. Parameters such as the ratio of mineral fillers in the modified granules, moisture content, and batch consistency are strictly controlled at this stage. Any fluctuation in the pellet batch affects the rigidity and molding shrinkage rate of the subsequent sheet material—issues that even the best molding process cannot rectify.

Stage 2 · Initial Production Inspection: 

After starting up a production run but before full-scale manufacturing begins, the first unit is sampled for a comprehensive dimensional check. Inspectors verify the cup rim diameter, lid profile, snap-fit mechanism, and the proper formation of the sip opening. If the first unit fails inspection, the entire batch is rejected.

Stage 3 · In-Process Patrol Inspection:

 Random inspections are conducted at set intervals during the production of the CPLA 90mm alien direct drinking natural color cup Lids. The focus is on detecting process drift rather than the quality of a single unit. If mold temperature or sheet thickness begins to deviate from the standard, the patrol inspection catches the trend before the entire batch becomes scrap.

Stage 4 · Finished Product Inspection:

 After production concludes, the batch undergoes a final review. It is only moved to the warehouse if the entire lot meets the agreed-upon specifications.

Stage 5 · Pre-Shipment Inspection:

 The final check before loading onto trucks; specifications, quantities, and packaging are verified against the order details.

Selection Guide: Choosing Between CPLA, Pure PLA, and PET

A Side-by-Side Comparison of the Three Materials

CPLA		Plain PLA		PET
Base polymer	PLA-based compound with mineral filler		Polymer made from fermented plant sugars, not petroleum		Petroleum-based polymer
Rigidity over a warm drink	The mineral phase keeps the part rigid as the polymer starts to soften		Softens early, so a lid can distort over a warm drink		[待客户补充]
Clarity	Opaque off-white; cannot be made water-clear		High-clarity sheet is available — we extrude both high-clarity and natural-color sheet		Can be water-clear
Colour	Natural, undyed, no colour masterbatch		—		—
Compostability certification	Our PLA cup and lid products hold international compostability certification; whether CPLA is covered has to be confirmed per article		Certificates are issued per product and per thickness		Not a compostable material, and outside certification scope
What we make from it	CPLA lids, food trays, food containers		PLA cold drink cups and matching lids, PLA sheet		Not in our product range
Choose it when	You need a lid that holds its shape over a warm drink and is supplied undyed		You need high clarity or full transparency, and no rigidity under heat		You need full transparency, and no compostability claim

Product Specifications:

No.	Type	Weight	Diameter(mm)	Packing method	CTN/pcs
1	LT-C80P-Z	2.8	80	50*20	1000
2	LT-C80P-F	2.8	80	50*20	1000
3	LT-C90P-Z	3.5	90	50*20	1000
4	LT-C90P-F	3.5	90	50*20	1000

Suitable Use Cases and Three Steps Before Acceptance:

This product is best suited for beverage lines designed for direct sipping without solid toppings (like pearls or jelly) inside the cup. Examples include chain coffee shops, pure tea and light milk tea outlets, delivery services, office building/business park coffee bars, and event/venue catering. Drinks containing pearls, coconut jelly, or fruit chunks will not pass through the sip-hole; such drinks should continue to use straw-compatible lids.

Regarding the acceptance process, three specific actions can mitigate most risks before mass production begins:

1. Measure the cup rim's outer diameter: 

The CPLA 90mm alien direct drinking natural color cup Lid is designed for a 90mm cup rim. While 8oz and 22oz cups might share the same rim size, cups of the same volume from different manufacturers often do not share the same rim specifications.

2. Send an actual cup currently in use for a fit test: 

We will verify the fit (locking and opening) and provide feedback before you start production. A common complaint arises when a lid fits during sampling but fails to seal properly during the morning rush at the store; this step prevents such issues.

3. Specify the filling temperature:

Buyers often overlook filling temperature, yet it determines whether the standard CPLA formulation is compatible with your production process. We prefer to verify this before production begins, not after.

Additionally, by using a consistent 90mm rim size across your entire product line, a diverse menu can be served in the same type of cup—accommodating this contoured sip-lid, a standard flip-top lid, or a flat lid. This allows your company to maintain a single-source procurement strategy for cups, even with a varied beverage menu. 

Our lids come with quality guarantees and relevant certifications, so you can use them with confidence.

FAQ

Q1: Are you a factory or a trading company?

A: We are a manufacturer with our own production lines. Located in the Baodi District of Tianjin, we handle everything in-house: modifying and pelletizing CPLA resin, extruding sheets, and thermoforming lids. Our facility features a Class 100,000 cleanroom. There are no trading intermediaries between you and the production line.

Q2: This lid features a contoured sip-opening; can a standard milk tea straw fit through it?

 A: It fits standard cold-drink straws commonly found on the market. Since the opening is a non-standard shape rather than a perfect circle, some thicker straws may be difficult to insert; we recommend testing the fit with samples before placing a bulk order.

Q3: How can we ensure the lid fits correctly in actual use—avoiding situations where it works with samples but fails at the store level?

A: Please send us a sample of the cup you currently use or provide the technical drawings for the cup rim. We will verify the fit and opening/closing functionality and report the results to you before production begins. This is the fastest verification method and the first step we recommend for all new clients.

Q4: Can we modify or adjust the shape of the non-standard opening?

A: Our standard stock items feature a fixed opening shape. Modifying the shape requires a mold alteration and incurs a mold fee; this option is suitable only for large-volume custom orders.

Q5: Will specific inspections be conducted on the non-standard opening during mass production and before shipment?

A: Yes. Production line checks and pre-shipment inspections focus on the opening's dimensions, edge integrity, and the lid's overall fit to ensure a high product pass rate.

Q6: Can you produce it in our custom colors or print our logo on it?

A: We support both OEM and ODM services. You will need to provide samples or drawings, and the customer is responsible for mold costs.