40oz Insulated Cup Divider Liner | Dual Drink Silicone Insert

Silicone dual drink divider cup insert for 40oz Stanley tumbler, BPA-free, reusable

Silicone dual drink divider usage guide for Stanley 40oz cup

Silicone divider cup with dual drink function for 40oz tumbler

Reusable food-grade silicone divider cup insert for Stanley tumbler

Large capacity silicone divider cup insert for 40oz Stanley tumbler

Silicone divider insert showing multi-drink compatibility

40oz Insulated Cup Divider Liner | Dual Drink Silicone Insert

Upgrade your Stanley-style tumbler with our 40oz insulated cup divider liner. Made from food-grade silicone, eco-friendly, and perfect for dual drinks.

1 MOQ & Pricing

50-499 Pieces

$2.20

500-9999 Pieces

$2.28

>=10000 Pieces

$2.23

2 Select Colors

3 Free Sample

Order a free sample to check our material and craftsmanship before bulk purchase. Just pay shipping, and test the quality yourself.

4 Shipping

We cover shipping, customs, and duties. One price, delivered to your door with no extra fees.

40oz Insulated Cup Divider Liner | Drink Two Flavors in One Cup | Coolnice

Enjoy two drinks in one cup with our 40oz insulated cup divider liner!
This innovative silicone insert is designed for Stanley-style tumblers, allowing you to separate beverages like juice & cola, milk & tea, or coffee & soda.

Product Description

40oz Divider Liner Description

This 40oz insulated divider liner lets you enjoy two drinks in one cup. Whether you want to separate juice and cola or coffee and milk, the design makes switching flavors simple. Made from food-grade silicone, it is dishwasher safe, reusable, and environmentally friendly—perfect for daily use and outdoor activities.

Scale Design Description

The inner liner features clear scale lines, recommended at 450ml capacity, helping you measure drinks with precision. It ensures accurate mixing of beverages, reduces waste, and enhances your drinking experience with clear volume control.

Dual Beverage Divider Description

Enjoy cola and juice, beer and sparkling water, or lemon tea and milk all in one tumbler. This divider is specially designed for 40oz insulated cups, offering convenience for family use and outdoor activities. It’s also easy to clean, making it ideal for daily hydration.

How to Use Description

Using the divider is quick and easy: align the straw opening with the handle, insert the dual inner cups, tighten the lid, and insert your straw. Within seconds, your cup is ready for two drinks at once.

Product Parameters Description

This 40oz divider liner measures 220mm tall with a 90mm diameter. Available in four stylish colors—green, pink, purple, and cyan—plus custom Pantone shades for OEM/ODM orders. Perfect fit for 40oz Stanley cups.