you cant pour from an empty cup

The Grinch AOP 15 Oz. Glass Cup with Straw and Lid

Octonauts Above & Beyond Stainless Steel 13 oz Reusable Water Bottle for Kids, Teal - Spill Proof Lid w/Built-in Straw - Fits Most Lunch Bags

GROSCHE Cyprus Double Walled Glass mug for Coffee or tea, glass insulated cup, 16 fl oz. Capacity

Crazy Dog You Can Count On Me Mug Funny Sarcasitc Calculator Graphic Coffee Cup-11oz

Red Cup Living 24Oz Tumbler Cup with Lid & Straw, Insulated Reusable Plastic Cup for Hot & Cold Drinks, Coffee Tumbler, Summer Party Cup

Red Cup Living 24Oz Tumbler Cup with Lid & Straw, Insulated Reusable Plastic Cup for Hot & Cold Drinks, Coffee Tumbler, Summer Party Cup

100 North 20 Ounce Stainless Steel On the Go Travel Tumbler With Push Top Lid, But Did You Die Teal

100 North 20 Ounce Stainless Steel On the Go Travel Tumbler With Push Top Lid, Stop When You're Done Teal

Copco Cone Double Wall Insulated Coffee Mug with Handle, Durable & BPA-Free Reusable Plastic, 16 oz.

Savor Double Wall Insulated Glass Mugs - 13.5 oz - Set of 2

Copco Acadia 16 Ounce Double Walled Insulated Hot or Cold Travel Mug Spill Resistant Lid

Copco Iconic Double Wall Insulated Coffee Mug with Handle, Durable & BPA-Free Reusable Plastic, 16 oz., Set of 2

Haven Fluted Stackable Double Wall Glass Mugs - 13.5 oz - Set of 2

Hello Kitty & Friends 20 Oz Ceramic Soup Mug with Vented Lid

LEMONSODA Double Walled Glass Coffee Drink Mug with Handle - Set of 4 (250 mL / 8.5 fl. oz)

Portmeirion Sophie Conran Arbor Mug - 14 oz. Stoneware Coffee & Tea Cup, Comfortable Hand-Fit Design - Dishwasher, Microwave & Freezer Safe

JoyJolt Aroma Double Walled Insulated Glasses - Set of 4 Double Wall Coffee Tea Glass Mugs - 13.5 oz

ZWILLING Sorrento Plus 2-pc Double-Wall Glass Coffee Mug Set, Clear

Pinky Up Annette Ceramic Tea Mug, 12 oz

Copco Desk Mug 16 oz - Durable BPA-Free, Double-Wall Insulation for Hot & Cold Drinks, Microwave & Dishwasher Safe - (Grey)

Bc Babycare Classic Baby Toddler Training Cup 8 oz Silicone Sippy Cup Easy Grip for Self Drinking Dishwasher Safe BPA-Free

Portmeirion Sophie Conran Floret Mug, Textured Coffee Cup with Balanced Grip - 14 oz Stoneware Coffee & Tea Mug, Dishwasher & Microwave Safe

16OZ Ceramic Tea Cup with Stainless Steel Filter, Tea Infuser and Lid, Suitable for Tea, Coffee, Cocoa and Milk, Gift for Tea Lovers, Tea Infuser Cup

Crazy Dog I Love My Awesome Wife Mug Cute Valentines Day Coffee Cup - 11oz

Libbey Tapered Glass Mugs, 15.5 ounce, Set of 8

ZWILLING Sorrento Plus 2-pc Double-Wall Glass Double Espresso Mug Set

Spode Blue Italian 12oz Porcelain Mug, Set of 4 - Compact Hot Beverage Cups with Ornamental Scenic Pattern & Glazed Finish

Sweet Water Decor Best Dad Ever Stoneware Coffee Mug -14oz

Star Wars The Bad Batch 16 oz Ceramic Mug

LEMONSODA Glass Latte Cup with Saucer - 8.75oz Set of 6 Elegant Glassware

JoyJolt Double Wall Glass Espresso Mugs - 5.4 oz - Set of 6

Chloe Cat Mug by Pinky Up