This 8 piece Cake Decorating Set is manufactured by Ateco. It contains a 10" flex bag, 6 of Ateco's most popular stainless steel decorating tubes (4, 16, 32, 48, 104 & 352)and a plastic coupler. There are instructions and recipes included by Ateco. The Piping bag should be soaked in warm soapy water, rinsed out and left to air dry. Piping tips may be washed in a dishwasher but are best cleaned by soaking them in hot soapy water and using a Tip Brush to thoroughly clean the interior, rinse & air dry.