The Kochblume Stretch-ii is a flexible silicone disc that will stretch over containers for an airtight covering. Use less cling film with the reusable silicone stretch-ii. Set of 4 includes: 1 x 4cm Stretch-ii (use on containers 2cm - 4cm) 1 x 5.5cm Stretch-ii (use on container 2.5 - 7cm) 1 x 8cm Stretch-ii (use on containers 6 - 11cm) 1 x 10.5 cm Stretch-ii (use on containers 7 - 13cm) Provides an airtight, hygienic seal Use to stretch over fruit and vegetables, such as a cut cucumber, limes, lemons, grapefruits Temperature resistant from -40°C to 260°C Dishwasher safe Food grade silicone Available in a choice of sizes and colours Kochblume products are designed and made by Cookline. Cookline has specialised in the development and production of high quality silicone kitchen tools since 2003.