1-7/8" Wooden Ring Buoys. Sold in packs of 6 units. Add to cart 1 and you get 6 units. These little life preservers have an outside diameter of 1-7/8" and an inside open-space of 1-1/4" across. Use for napkin rings, special creative projects, and general nautical accenting. Each is 3/8" thick wood, with blue band accents. Wonderful miniature sized life rings; the measurement doesn't include the additional diameter the off-white bolt rope adds that goes around the exterior. U.S. Quarter used in picture for size reference only. Miniature Life Rings: These small, wooden life rings are perfect for table toppers for nautical weddings or beach themed parties. You can place a small candle into the middle of each. The 2 Inch Miniature Life Rings are one of many nautical and beach themed items we have available for weddings, parties or home decor.