OPTIMA sheet for stamp yearbooks and coin sets. Reinforced holes with metal rivets to fit all OPTIMA 4-ring binders. Extra strong cardboard backing. Lockable flap at top prevents slippage
Overall size 205 x 252 mm (8 1 / 4 x 10"). Maximum space for insert 180 x 240 x 10 mm (7 1 / 4 x 9 5 / 8 x 7 / 16 ").