weighted cup

Kids' 6pc Plastic Rainbow Tumbler Lids - Pillowfort™: Dishwasher-Safe, Drinkware Accessories for Kids

7.8 fl oz Figural Mini Ghosty Mug with Lid - Hyde and EEK! Boutique™

Zak Designs 14 fl oz Double Walled Stainless Steel Sutton Grip Insulated Tumbler

17 fl oz Tumbler with Figural Whale Lid Blue - Sun Squad™

Owala 20oz SmoothSip Slider Hearth & Hand with Magnolia™ - Autumn Apple

Peanuts Gentle Reminders Stoneware 4 Piece 18oz Travel Cups in Assorted Designs

Kids' 18pc Plastic Drinkware Set Coral/Green - Pillowfort™

15oz Glass Tea Cups Iridescent - Bullseye's Playground™

16oz Plastic Ribbed Tall Tumbler - Threshold™

2pk Stackable Espresso Mugs Ghost - Bullseye's Playground™

Kids' 6pc Basic Large 13.5oz Tumbler - Pillowfort™: Reusable Plastic Cups, Dishwasher & Microwave Safe

Owala 40oz Stainless Steel Straw Tumbler - Panther Paw

26 fl oz Tall Tumbler Blue - Room Essentials™

Owala 20oz SmoothSip Slider Hearth & Hand with Magnolia™ - Butterscotch

Owala 20oz SmoothSip Slider Hearth & Hand with Magnolia™ - Sunflower Bouquet

Reduce 24oz Hot1 Vacuum Insulated Stainless Steel Travel Mug with Steam Release Lid Brown: Dishwasher-Safe

Pinky Up Dana Travel Infuser Mug, 16 oz.

10.82oz Tumbler Burgundy - Threshold™

Zak Designs 13 fl oz Super Sipper Hello Kitty Polypropylene Tumbler White/Orange

Zak Designs 3pc 25 fl oz Glow in the Dark Hello Kitty Polypropylene Tumbler Set Purple/Orange

17 fl oz Tumbler with Figural Shell Lid Pink - Sun Squad™