Simple Set of Strainer Lid (Wide Mouth) and Container with Kefir grains.<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><li><span class="a-list-item"> Set strongly simplify method for kefir preparation because exclude use of strainer and pouring from one jar to another. Container filled with kefir grains is functioning like one big solid very active grain. </span></li><li><span class="a-list-item"> Lid with screen protect your fermentation and support aerobic conditions for grains. </span></li><li><span class="a-list-item"> Removable screen has hundreds of tiny holes. Diameter - 0.7mm. </span></li><li><span class="a-list-item"> Use any mason jar you have. Just place container with kefir grains inside jar and pour milk. Kefir will be ready in 20-24 hours. </span></li><li><span class="a-list-item"> Type KEFIR FERMENTER to see other devices related to home kefir with or with out kefir grains </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41zzu%2Bvn%2BWL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41GRiXFiLYL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41WhOytOZuL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41Ck5IImL2L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41ATkM-f9lL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51YUlGPvaXL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/511PHbFScRL.jpg" noproxy>