6 REGULAR MOUTH & 6 WIDE MOUTH WOODEN - regular mouth fit 2.75 in (70 mm) jars, wide mouth fit 3.38 in (85 mm) jars. Wooden is not only easy and fast to use, also suitable for BALL/KERR or other of 4 to 64 jars.THICK SILICONE RING & BAMBOO LID - Bamboo is made of natural recyclable bamboo, clean, odorless and easy to clean. Removable silicone ring with bamboo have enough fit, the silicone ring can be comfortably flipped up to achieve the sealing effect, making the food fresher for , not deformed and reusable.MULTI-PURPOSE & BETTER DISTINCTION-two sizes of wooden lid can be combined with or small jars for dry storage, or for storing leftovers, sauces or juices, storing screws and , spices, etc.DOUBLE-LAYER LACQUER & STRONG PROTECTION - Bamboo lid in the production of double lacquer baking, gives bamboo greater protection, while making bamboo lid surface more , easier to clean. Dishwasher safe, no limited to hand washing.[Convenient and Practical]These ball are equipped with wood color labels which makes it easier for you to identify jars of different purpose.Colour:Wood colorMaterial:Bamboo + SiliconePackage Contents:12 x Bamboo Only the above package content, other are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.