best transition cup from bottle

12oz Stainless Steel Camping Double Wall Kelso Tumbler - Zak Designs: Dishwasher-Safe Kids Straw Cup, Off-White

Thermos Kids' 12oz Stainless Steel FUNtainer Water Bottle with Bail Handle - Unicorns

Stanley 40 oz Stainless Steel Ice Flow Flip Straw Tumbler Black 2.0

Reduce 14oz Coldee Vacuum Insulated Stainless Steel Straw Tumbler Bright Green: Kids Leakproof & Spillproof Cup

12oz Vacuum Kelso Portable Tumbler 'Princess' - Zak Designs: Stainless Steel Kids Straw Cup, Disney, Dishwasher-Safe

Gatorade 12oz Youth Stainless Steel Water Bottle - Red: Portable Drinkware, Plastic Lid

Munchkin 10oz/2pk Any Angle Click Lock Weighted Straw Cup - Blue/Green: BPA-Free, Portable Drinkware

Owala 16 fl oz Stainless Steel Kids' FreeSip Insulated Water Bottle - Green Machine

Simple Modern Trek 40oz Stainless Steel Leopard Lidded Tumbler Pink: SLM Water Bottle for Cold Beverages, Hand Wash

Re-Play 10oz Straw Cup with Silicone No-Pull-Out Straw - Lime

Owala 16 fl oz Stainless Steel FreeSip Insulated Water Bottle - Bluebird

Zak Designs 2pk 15 fl oz Plastic Kelso Spidey and his Amazing Friends Straw Tumbler Set: Kids Cups, Dishwasher-Safe

BruMate 30 fl oz Stainless Steel Era Flip Straw Tumbler - Prickly Pear

Spider-Man 12oz Stainless Steel Double Wall Kelso Tumbler - Zak Designs

Munchkin C'est Silicone! 4oz Training Cup with Straw - Mint

MAM Trainer Cup, 4+ Months - Pink - 8oz: Non-Slip Grip, Spillproof, Screw-On Lid, Portable Drinkware

Simple Modern 24oz Insulated Stainless Steel Classic Tumbler with Straw Black: Cold Drinkware, Hand Wash, All Ages

Simple Modern Trek 40oz Stainless Steel Lidded Tumbler Powder Coat Sage: Dishwasher-Safe, Cold Beverages, All Ages

Dr. Brown's 10 oz Milestones Straw to 360° Cup Set, with Interchangeable Silicone Straw - Aqua Blue - 2pk

Re-Play 10oz Straw Cup with Silicone No-Pull-Out Straw - Bright Pink

Munchkin Click Lock Flip Straw Cup - Blue - 9oz

Thermos 16 fl FUNtainer Bottle - Minecraft

12oz Vacuum Kelso Portable Tumbler 'Ice Cream Dog' - Zak Designs: Stainless Steel Kids Straw Cup, Dishwasher-Safe

Stanley 40 oz Stainless Steel H2.0 FlowState Quencher Tumbler Frost