BioGreen Biodegradable BPA-Free Sport Bottle with Wide Mouth DuoFlow Lid (20-Ounce, Frosted Clear, Eagle) Wide mouth 20 oz sports bottle with leak Proof push pull DuoFlow 63 mm cap with soft rubber poppet Fits standard bike cage These bottles are BIODEGRADABLE (meaning they will biodegrade if they end up in a land fill) they are RECYCLABLE (meaning they can be recycled) they are REUSABLE (meaning they hold up for years of use) and are made from RECYCLED MATERIALS Soft squeezable LDPE plastic, recycle symbol #4, BPA Free Made in the USA Join the green revolution with BioGreen Bottles Bottle Dimensions: diameter 2.88 height 8.0 - Approximate Bottle Weight: 2.6 oz(73 grams)