PALOTOP Russian Piping Tips 18 Pcs/SET - 7 Russian Tips +10 Disposable Pastry Bags+1 Tri-color Coupler - 304 Stainless Steel Large Size Icing Tips Set with Online Video Instructions Russian tips, just a little pressure on the pastry bag, you can create beautiful flowers. Made of high quality 304 stainless steel, created using a seamless welding process, easy to use and keep clean. Tip Size - Upper Dia : 0.9'' ,Bottom Dia : 1.5'', Height : 1.7''. Create entire flowers in one squeeze of the piping bag. PALOTOP provides lifetime guarantee to each tip.