reducer cup

Tommee Tippee 7 fl oz Trainer Sippy Cup - Orange/Green/Blue - 3pk: BPA-Free, Spillproof, Leakproof, Detachable Lid

30oz Stainless Steel Tumbler with Straw Purple - Embark™: BPA-Free, Portable Drinkware

Owala 24oz Special Edition Diet Coke Stainless Steel Straw Tumbler - Classic Diet Coke

OXO 6oz Tot Transitions Soft Spout Sippy Cup with Removable Handles - Opal: BPA-Free, Plastic, Portable Drinkware

Owala 24oz Stainless Steel Straw Tumbler - Sandy Shores

Stanley 40 oz Stainless Steel H2.0 FlowState Quencher Tumbler Starry Sparkle

40oz Stainless Steel Tumbler with Straw Cream - Embark™

FIFA World Cup 24oz Performance Insulated Water Bottle - San Francisco

OXO 6oz Tot Transitions Soft Spout Sippy Cup with Removable Handles - Dusk

Dr Pepper 30-oz Stainless Steel Tumbler Cup Set with Handle Straw Cover Topper Retro Logo Keychain Insulated Travel Mug Maroon

Slickblue 40 oz Glass Tumbler with Bamboo Lid, Handle, and Straw - Modern Design, Clear/Frosted Options

NUK for Nature Everlast Weighted Straw Cup - Green - 10oz: BPA-Free Silicone Lid & Plastic Body Drinkware

FrostBuddy To-Go Buddy Insulated Cup Holder | Fits All Sizes of Hot & Cold To-Go Cups | 32oz Stainless Steel Tumbler

Dr. Brown's 10oz Milestones Straw to 360° Cup Set: BPA-Free, Spillproof, Leakproof, Includes Handles & 2 Lids, 2pk

Owala 24oz Stainless Steel Straw Tumbler - Sleek

Nuby 5oz 2 Handle 360 Cup - Girl - 3pk: Spoutless Leakproof Sippy Cups with Silicone Sip Lids, Portable Drinkware

HydroJug Sport Jug 64oz – Insulated Stainless Steel Water Jug with Flip Straw & Pour Spout, Leakproof

FIFA World Cup 24oz Performance Insulated Water Bottle - Dallas