
Made of food-grade liquid silicone, safe and odorless, soft and bite-resistant, not easy to break, complying with infant product safety standards. The leak-proof design fits the cup interface, water flows smoothly without choking, high temperature resistant for steam disinfection, suitable for most mainstream baby water cups, ideal replacement accessory for baby drinking utensils.
Material
Food-grade LSR
Hardness
Shore A 30-40
Temperature
Certifications
Applications
-40°C ~ +200°C
Colors
Transparent, Light Pink, Light Blue, Customizable
# Food Grade Liquid Silicone Baby Water Cup Spout
The Food Grade Liquid Silicone Baby Water Cup Spout is a high-precision, child-safe drinking accessory engineered exclusively for infant and toddler hydration products, manufactured from medical and food-contact grade liquid silicone rubber (LSR) via precision injection molding. Designed to support the transition from bottle feeding to independent cup drinking, this spout combines ergonomic design, food safety, and durable performance to address the unique needs of developing children aged 6 months to 4 years, as well as the safety and convenience priorities of caregivers.
Core features include 100% BPA, phthalate, PVC, and heavy metal-free formulation, soft bite-resistant construction that protects emerging primary teeth and gum tissue, anti-choke flow control structures, and compatibility with most standard wide-neck baby water cups and sippy cups on the market. Unlike hard plastic or latex spouts, this LSR spout delivers a natural, breast-like mouthfeel that reduces feeding rejection, while its one-piece seamless design eliminates hidden crevices where bacteria and food residue can accumulate, simplifying daily cleaning and disinfection.
All raw materials used in production comply with global food contact safety regulations, with third-party tested material metrics as follows:
The spout is engineered to withstand repeated use, disinfection, and infant biting behavior, with validated performance metrics:
All spouts are manufactured under ISO 13485 and ISO 9001 certified cleanroom conditions (Class 100,000) to ensure consistent quality and safety:
The platinum-cured LSR formulation eliminates the risk of nitrosamine and peroxide byproducts common in conventionally cured rubber products, with zero plasticizer leaching even after prolonged contact with warm liquids (up to 70°C). Every batch of spouts undergoes extractable and leachable (E&L) testing to ensure no harmful substances transfer to beverages, making it suitable for use with water, breast milk, formula, and fruit purees.
The soft, elastic mouthpiece absorbs impact from teething and biting, reducing pressure on emerging incisors and gums to lower the risk of malocclusion and dental misalignment compared to hard polypropylene spouts. The contoured, flat tip matches the natural shape of a child’s palate, supporting proper tongue positioning and healthy oral motor skill development during the transition to independent drinking.
The built-in one-way slit valve opens only when the child applies suction, automatically closing to prevent spills when the cup is dropped or inverted. The flow rate is calibrated to match the suction strength of different age groups, avoiding excessive liquid flow that can cause choking, coughing, or ear infections associated with over-fast drinking in young children. The seamless one-piece construction eliminates glue joints or assembly gaps where mold and bacteria can grow, reducing the risk of gastrointestinal illness from contaminated spouts.
The high tear and tensile strength of the LSR material ensures the spout resists cracking, tearing, or bite damage for 2–3 months of regular use (3x longer than latex or thermoplastic elastomer spouts). It is fully compatible with all common disinfection methods, including boiling, steam sterilizers, dishwasher top racks, and microwave steam bags, with no deformation, discoloration, or odor retention after repeated high-temperature exposure. The non-stick surface wipes clean easily, with no staining from pigmented beverages such as grape juice or carrot puree.
This LSR baby water cup spout is designed for use across the following product categories and use cases:
Application Notes: For infants under 12 months, select 30A hardness spouts with 10–15 mL/min flow rate; for toddlers over 18 months, select 40A or 50A hardness variants with higher flow rates to accommodate stronger suction strength.
Custom sizes are available for non-standard cup designs, with a minimum order quantity of 10,000 units per custom dimension.
All Food Grade Liquid Silicone Baby Water Cup Spouts are manufactured under strictly controlled quality management systems, with multi-stage quality control implemented throughout the production process:
Certifications available for all products include FDA food contact approval, CE conformity (EN 14350), China GB food safety certification, and third-party test reports from SGS, Intertek, or BV upon request. We offer a 90-day quality guarantee for all spouts: any product with manufacturing defects (such as valve failure, tearing under normal use, or dimensional non-conformity) will be replaced free of charge.