**Product Specifications:**

**Brand:** Beingmate

**Product Name:** Newborn Bottle with Bottom Air Return Valve

**Features:** Anti-colic design, high borosilicate glass, assist in healthy growth

**Materials:** High borosilicate glass, BPA-free, imitation breast milk nipple

**Design:** Anti-inflation design, heavy-caliber, sensitive air return valve

**Cleaning:** Easy to clean, dishwasher safe

**Nipple:** Soft silicone nipple, 15-degree angle, food-grade liquid silicone

**Sizes:** SS (0-1 month), S (1-3 months), M (3-6 months), L (6-10 months), + (10 months+)

**Accessories:** 5 components - dust cover (PP), nipple (silicone), screw thread (PP), bottle body (glass), air return valve (silicone)

**Disinfection:** Supports high-temperature sterilization methods such as boiling, steaming, and UV sterilization

**Capacity:** 160ml, 240ml

**Color:** Brown

**Dimensions:** 145mm x 65mm

**Note:** Hand measurements may have slight errors

These specifications outline the features, materials, design, cleaning instructions, and other details of the Beingmate Newborn Bottle with Bottom Air Return Valve.