Compatible with Hydroflask 40 oz tumbler: Our straw set fits snugly into your hydroflask 40 oz tumbler. The 223 mm length of the straw is easily adjustable and can be cut with scissors to your desired length to fit 20 oz, 28 oz and 32 oz water bottle as well. Enhanced Drinking Experience with Bent Silicone Straw: It promotes the use of a natural drinking position and improves drinking comfort. There is no longer a need to purposely bow your head to drink water on various occasions. Provides a more comfortable and convenient drinking experience than a straight straw. Comprehensive Value Set: Including 4 silicone straw tips + 4 plastic straws + 1 cleaning brush. A variety of sets to go with it, making it a great choice for a gift. Quality Material: These straws are made of plastic and straw tips are made of food-grade silicone. The soft silicone material can somewhat protect your face and teeth from being poked. No smell and durable, making your drinking experience more comfortable and assured. Easy to Use and Clean: The detachable press-in straw with ventilation hole ensures a smooth flow of liquid when drinking. The cleaning brush can clean the straw and is also dishwasher safe. Miracredo 4 PCS Press In Straw for Hydroflask, Reusable straws replacement Fit 40 oz Tumbler. Package Contains: 4 Pcs Press-in Straws + 4 Pcs straws + 1 Straws Brush. We are committed to providing you with wonderful Hydroflask tumbler accessories. The straw set is a great choice for gift giving. We have several different combinations you can choose from. There are different colors of straws to match your personalized hydro flask water bottle.