Low-linting Choice® Spiral Bound Notebooks are made of Berkshire cleanroom bond. The economical notebooks are recyclable and biodegradable. The spiral ring with PET cover can withstand long periods in use. Pages can be written on both sides (100 pages/50 sheets). Choice® represents a value-tiered line of products that offers all the performance consistency of higher-priced counterparts. Best of all, Choice is backed by the Berkshire Guarantee — your money back should our products fail to perform according to specifications.