Kids Konserve KK042 Nesting Trio Stainless Steel Containers for $14.26. Shipping is free on orders over $25. If needed, use this Filler Tool to qualify for free shipping. Here is a screenshot for your reference. The containers are made from food-grade stainless steel, BPA, lead, and phthalate free, and a 5-ounce, 8-ounce, and 16-ounce containers with leak-proof lids. Most places have this container set for about $24.