These are perfect-sized cage liners for the Sanko Easy Home Bird 37 and Clear Bird 37. I'm selling these because I want to help fellow bird owners who feel a little stressed by having to fold newspaper every day. ★ Set of 120 sheets ★ Made of rough paper, similar to plain newsprint ★ Size: Approximately 37.5cm x 31cm. They are the perfect size, minimizing waste (please understand that there may be slight variations, and purchase accordingly) ★ Plain, so it's easy to check the condition of droppings ★ Will be folded in half for shipping ❤︎ Recommended for those who: ❤︎ Find it troublesome to fold newspaper to the cage size every day Don't like getting their hands dirty when folding newspaper Don't subscribe to a newspaper or only subscribe for their bird Are concerned about the safety of newspaper ink ※ If you would like a different quantity, please write it in the message section, and I will create a dedicated listing for you. (1000 sheets for 6800 yen, 600 sheets for 4600 yen, 90 sheets for 900 yen) ※ For large quantities of 600 sheets or more, it may take about a week. Shipping will be via Eco-Mercari. Sanko SANKO Clear Bird 37 Easy Home Bird 37 Budgerigar, Java Sparrow, Cockatiel, Pacific Parrotlet, Bourke's Parakeet, Bengalese Finch, Parakeet, Lovebird Small bird goods Bird cage Pet sheets Newspaper, plain newsprint, wood-free paper I also sell other original and convenient bird supplies. Search for "Aya-Dori". This is a sale of the cage liners only. Trays and bird cages are not for sale. ※ Discounts are not available. Repeat customers and those who purchase multiple items will receive a bonus, so please let me know you are a repeat customer on the transaction screen.