Mason Bottle 4 oz. DIY Kit: BPA-free glass Baby you can DIY using jars from home, Made in the USA.

Mason Bottle 4oz Glass Baby Bottle DIY Kit - Fits Any 4oz Mason Jar - Includes 1x Silicone Sleeve, 1x Plastic Cap, & 2X Silicone Slow Flow Nipples (Ring/Lid & Jar NOT Included) - Made in USA

Mason Bottle Nipples (2-Pack) - Silicone Nipples, Fits Any Regular-Mouth Mason Jar - Slow Flow (0-3 Months), Wide Natural-Shaped, BPA-Free, Non-Toxic Baby Bottle Nipples - Made in USA

Mason Bottle Plastic Mason Jar Rings/Bands (Set of 3) Fits All Regular Mouth Mason Jars, Reusable and Rust-Free, Non-Toxic BPA Free (Silver, Regular-Mouth)