(1).Material: Pyrex Glass; Flares: Single flare with O-ring; Worn In: Lobe, Ear lobe, Ear cartilage. Colors offered: black, white, aqua, honey, turquoise. (2).Sizes offered: Small Kits include: 14g (1.6mm), 12g (2mm), 10g (2.5mm), 8g (3mm), 7g (3.5mm), 6g (4mm), 5g (4.5mm), 4g (5mm), 3g (5.5mm), 2g (6mm), total 20 PCS (10 pairs).Medium Kits include: 6.5mm, 1g (7mm), 7.5mm, 0g (8mm), 8.5mm, 9mm, 9.5mm, 00g(10mm), total 16 PCS (8 pairs).For Both Ears. The tiny 0.5mm increments make that next stretch quicker,safer and a whole bunch easier. (3).Casvort Dead Stretching Kits are labeled with sizes to prevent you from attempting to insert the wrong size. Perfectly smooth, accurate gauge sizes and most importantly 100% fresh stretch friendly. Each plug comes complete with a black hypoallergenic o-ring. (4).Stretch right the first time with Casvort Dead Stretching Kit! - Unique 0.5mm increments making that next stretch a breeze! - Completely pain-free results! - Inert material, meaning no chance of reactions - fresh stretch friendly! - Branded packaging (5).Pls Note: Due to the inherent properties and manufacturing processes of glass jewelry, our glass dead stretching plugs have a maximum tolerance of 0.2mm. This level of precision is still exceptionally high and will not be noticeable during insertion. Glass jewellery can be fragile, especially in smaller sizes. Pls handle and wear with care.